If you can answer all the questions to the 20-question chemistry quiz, a million dollars won't fall down from the skies. pressure. (a) Molarity (b) Normality (c) Formality (d) Molality Ag stands for argentum, which is an old name for silver. 45) Which metal is extracted by the Mond process? 89) Where was the technique of powder metallurgy invented? Answer: D. 20) Which element can easily form chains? Here you can learn chemistry general knowledge with collection of 150 important chemistry based gk questions. Chemistry Questions and Answers Test your understanding with practice problems and step-by-step solutions. 9) The scientist who introduced the model of the atom similar to the solar system? a. KO, covalent. The first element on the periodic table is Hydrogen; Center of an atom – A Nucleus; Famous New Zealand scientist Ernest Rutherford won Nobel Prize in Chemistry. Bromine and mercury are liquid at room temperature. In a mixture of two fluids, the solute is present in lesser quantity compared with the solvent. Chemistry Questions – Learn Basic Chemistry Part 1 (1-25). General chemistry notes, chemistry question, chemistry equations, chemistry topics, basic of chemistry, chemistry formulas 38) 2.76 g of silver carbonate on being strongly heated yields a residue weighing Which among the following methods can be used to remove the permanent hardness in water due to calcium or magnesium. The volume of 0.1 N NaOH required to completely neutralize 10 ml of this solution is For one thing, chemistry is everywhere in the world around you, so brushing up on it will help you choose the best foods, medicines, and household products. The formula of the compound is 85) Which rocks, is used as stones for building houses? Answer: Argon, Oxygen, Carbon di oxide, Nitrogen. 16) The absence of cobalt in minute quantities in human body causes what? (a) 3 (b) 4 (c) 5 (d) 6 Most of the body's iron is locked up in the hemoglobin found in red blood cells, used for oxygen transport. 1. Chemistry General Knowledge questions asked in many competitive exams and also chemistry GK is important for SSC and Banking exams. All acids contain hydrogen ions when in solution; the higher the concentration of H + ions, the lower the pH. 64) Which product of living organisms was the first to be made under laboratory conditions? 1)Cyclotetrane 2)Benzene 3)Napthalene 4)Anthracene ? combinations of atoms: their composition, structure, properties, behaviour and the changes they undergo during a reaction with other compounds.. Chemistry Basic Concept MCQs. Mendeleev (sometimes spelled Mendeleyev) is credited with creating the modern periodic table, although his table was based on increasing atomic mass rather than atomic number. You can melt gallium in the palm of your hand. You'll find keratin primarily in your hair, nails, and skin, but the most abundant protein in humans is collagen, which is found in bone and cartilage. Bingo! 3. (e) Out of all the metal elements, I have the most valence (outer-shell) electrons. You know your stuff! You didn't miss this one, right? On the other hand, you're probably an expert in another field! They all have low melting points, and two of them are even found as liquids at room temperature! 70) Which has a maximum number of atoms? Mendeleev's table grouped elements according to common properties and periodic trends. 250+ Organic Chemistry Interview Questions and Answers, Question1: Trimethylamine is a pyramidal molecule. It's OK to miss a question or two. (f) My elements have a Group all to themselves. Answer: D. 75) What is the trade name for fluoride ore of calcium? Some Basic Concepts of Chemistry's Previous Year Questions with solutions of Chemistry from JEE Main subject wise and chapter wise with solutions 21) What is the fundamental particle present in P – rays? It plays an esse… Answer: A. When it melts, it becomes more dense. Osmosis involves water, but there has to be a semipermeable membrane, too. However, you've got a good chance of making that much money as a chemist!. A covalent bond is the result of: transferring electrons transferring protons sharing a proton sharing an electron. 44) Which material is used in display devices, such as digital watches? HCl forms magnesium chloride, aluminum chloride, and hydrogen. (d) All of my elements react strongly with air or water. (a) –1 (b) –3 (c) +3 (d) +5 If there had been a million dollars on the line for knowing all the answers, you would have just missed the prize. Answer: 4.14 g. 15) What kind of thermometer is used to determine the depression of freezing point? 98) A compound contains 28 percent of nitrogen and 72 percent of metal by weight. Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 1 Some Basic Concepts of Chemistry with Answers Pdf free download. (a) 0.70 (b) 0.50 (c) 0.20 (d) 0.10 Take up the quiz below and refresh your memory on what we have covered. The basic units in chemistry will be dfined: atoms, molecules, subatomic particles. Answer: Emission of electrons by electromagnetic radiation striking on a metal surface. Answer: A. General Chemistry Questions and Answers – Learn Basic Chemistry Part 3 (51-75) 51) Which substance is obtained when magnesium is heated with lead oxide? We have provided Some Basic Concepts of Chemistry Class 11 Chemistry MCQs Questions with Answers to … Important Chemistry Questions and Answer PDF. 61) The substance which conducts electricity with the help of the ions present in them is called what? 100) Which catalyst used in the manufacture of Sulfuric acid? You know just enough chemistry to get by. (a) 8 g (b) 16 g (c) 32 g (d) 24 g Not all compounds that contain carbon are organic. Fast Fact: Bee stings are acidic. Chemistry Questions and Answers – Basic Chemistry Questions Answers MCQ. Basic awareness of chemistry is always part of General Knowledge. this is how I see it . Basic Chemistry Question was first posted on December 5, 2020 at 3:27 am. If an atom contains 11 protons and 12 neutrons, its atomic number will be: 1 11 12 23. Chemistry is an amazing subject which combines a number of different sciences, attempting to make sense of the complicated world we live in. I Have some serious misconceptions and surfing the internet makes me more confused so please, can you help me. Answer: C. 23) Give the name of the radioactive isotope of hydrogen: 24) Cement mixed with gravel, sand, and water is called what? All the best! (a) – 2 (b) + 2 (c) 0 (d) + 4 Important Chemistry Questions and Answer PDF for SSC. It's yellow and lacks a metallic luster. This is extremely great. Chemistry is the science and study of matter, including its properties, composition as well as reactivity. 57) Which mineral is often used as an abrasive? … 62) In which mode of expression, the concentration of a solution remains independent of temperature? Top 100+ Chemistry Interview Questions and Answers - UV, RI, PDA Detector | Na lamp used in Polarimeter | What is Unit of KF | What is Organic Chemistry | Karl Fisher Titration | Ignition / Sulphated ash | Why ph is between 0 to 14 | Polystyrene - Calibration | Calibration Vs Validation | Paddle Vs Basket | What is the difference between Paddle and Basket base (weaker acids)- hydrogen ion has a strong bond with … Not interested in chemistry at all? Sadly, there's no cash, but you can take comfort in knowing you're the one people turn to when they need answers. Answer: Caffeine. Prepare for competitive exam by practice chemistry question and answers. Not interested in chemistry at all? (There is no change in the oxidation state of hydrogen). Acids have a pH level below 7. 72) What is the most common natural source for sulfur? Adenine is a nucleic acid, not an amino acid. Answer: A. b. KO, ionic. The diameter of an atom is in the order of 78) What weight of AgCl will be precipitated when a solution containing 4.77 g of NaCl is added to a solution of 5.77 g of AgNO3? 26) The largest number of molecules is in On the one hand, you won't be winning the Nobel Prize in chemistry any time soon. 11) What happens when an electron moves nearer to the nucleus of the atom? 41) Which mineral is used making plaster and paper? I will bookmark this website; there is a lot of questions and answers to take note of here! 81) Which mineral was used for making compasses in the past? 42) M is the molecular weight of KMnO4. 60) Which element in the radioactive form is used for determining the age of artifacts, relics, bones, etc. 56) Which fuel produces the maximum heat per gram burnt? Chemistry is the branch of science which deals with the compounds composed of atoms, i.e. (a) M (b) M/3 (c) M/5 (d) M/7 Answer: Glass. What is the hybridization at nitrogen? On adding a concentrated solution of potassium hydroxide, the volume further diminished to 15 ml of the residual gas being pure oxygen. 43) Which is the metal as strong as steel but half as much in weight? 92) Which substance is produced when nitrogen reacts with hydrogen? Learn and practice large collection of easy & hard chemistry objective questions answers with explanation that are frequently asked in many interviews, competitive exams like ssc, banking, … Which one of the following gives the formula and the bonding for potassium oxide? If you don't have enough salt, your body suffers an electrolyte imbalance called hyponatremia. Sulfur is a nonmetal. 14) The weight of 1 × 1022 molecules of CuSO4 .5H2O is ____ Answer: Number of moles of solute in one liter of the solution. 10) 3 g of a salt of molecular weight 30 is dissolved in 250 g of water. Its a good one. There are 4 Chemistry MCQ Questions Answers practice sets which can be accessed below. You could simply take another quiz! Learning chemistry is mandatory now as it constitutes to be an important subject in higher classes. 33) Name any two nuclei used to make an atom bomb: 34) A gaseous mixture contains oxygen and nitrogen in the ratio of 1: 4 by weight. The state of matter of a substance is due to the kinetic energy of its components. The molality of the solution is ____. (a) 2.16 g (b) 2.48 g (c) 2.32 g (d) 2.64 g Stibnum is the old name for antimony. Chlorine is not a noble gas. (a) 22 (b) 44 (c) 66 (d) 88 If you put pure magnesium in your hand, it may react with the water in your skin and ignite, but it won't melt. The term "argent" survives, meaning silvery. An example of an inorganic carbon compound is carbon dioxide. Antimony and most of its compounds are toxic. From here, you can hone your chemistry skills, try your hand at an experiment, or you may simply enjoy taking another quiz. Main gas in the air we breathe – Nitrogen (around 78%). The average adult human body contains about 250 grams of salt, which is just over half a pound. Read: Chemistry Questions and Answers – Basic Chemistry . This has served you well so far, but think how much more you could learn! Subsequent treatment of mixed chlorides with silver nitrate gives 0.2451g of silver chloride. 3 atoms of metal combine with 2 atoms of N. Find the atomic weight of metal. 63) Write the name of an insulator. 62) Write the name of an anion. One of my elements is an important element in the human skeletal system. Another reason to master chemistry is so you can do (and understand) cool science projects. Water is good old H 2 O! Answer: Atoms having an equal number of neutrons. Answer: C. 51) Which substance is obtained when magnesium is heated with lead oxide? All volumes have been reduced to N.T.P. Avogadro's number is huge! You could simply take another quiz! It'll be a gas! It's one electron shy of a full octet, so unlike the noble gases, it's highly reactive. So, ice is less dense than water and floats. 2. Calculate the molecular formula of the hydrocarbon gas. Why should you care? The atom and moleculesare the basic unit or components of Chemistry. Tritium is radioactive. Physics Questions and Answers – Basic Physics, General Knowledge Quiz Questions and Answers, 100 Physics Questions and Answers – Basic Physics, 100 Biology Questions and Answers – Basic Biology. That just shows you have other interests! A living organism is made elements and we were able to cover what makes up an element. Use of this feed is for personal non-commercial use only. Answer: C. 55) Which mineral ores forms kidney-shaped crystals? 99) Which iron contains a high percentage of carbon? Save my name, email, and website in this browser for the next time I comment. You can also brush up on chemistry by taking another quiz. Colour will be: 1 11 12 23 the maximum heat per gram?. 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