Answer: Stirring of molten metal with green wood. Answer: Emission of electrons by electromagnetic radiation striking on a metal surface. Then why, when i search the internet, people say that ionic compounds cannot conduct electricity unless melted or dissolved and covalent compounds too? 28 General Chemistry Questions and Answers: 1:: What is the process for separating the components of gunpowder? On the one hand, you won't be winning the Nobel Prize in chemistry any time soon. combinations of atoms: their composition, structure, properties, behaviour and the changes they undergo during a reaction with other compounds.. Chemistry Basic Concept MCQs. General Chemistry frequently Asked Questions by expert members with experience in General Chemistry. Assuming that all the nitrogen appears in the new compound, what is the oxidation state of nitrogen in Y? Answer: 4.87 g. 79) What is the percentage of carbon in steel? [H = 1, Mg = 24, Al = 27] (a) 24g of C (12) (b) 56g of Fe (56) (c) 27g of Al (27) (d) 108g of Ag (108) (a) NO (b) N2O3 (c) N2O5 (d) N2O4 Tritium is radioactive. 62) In which mode of expression, the concentration of a solution remains independent of temperature? Answer: A. You have a good command of chemistry. If you want to improve your knowledge, grab a kid's science text or start learning chemistry online. Then, we will discuss them from a beginner point of view, and formulate them in the format of questions. Osmosis involves water, but there has to be a semipermeable membrane, too. As we all know in many competitive exams like SSC, Railways, UPSC and other sate PCS Chemistry Questions asked repeatedly, so you cannot ignore Chemistry section of General Science. 66) An aqueous solution of 6.3 g oxalic acid dihydrate is made up to 250 ml. The volume of 0.1 N NaOH required to completely neutralize 10 ml of this solution is Important Chemistry Questions and Answer PDF for SSC. If you put pure magnesium in your hand, it may react with the water in your skin and ignite, but it won't melt. 250+ Organic Chemistry Interview Questions and Answers, Question1: Trimethylamine is a pyramidal molecule. Which one of the following gives the formula and the bonding for potassium oxide? Basic awareness of chemistry is always part of General Knowledge. Solution: Modern global warming is the result of an increase in magnitude of the so-called greenhouse effect, a warming of Earth's surface and lower atmosphere caused by the presence of water vapour, carbon dioxide, methane, nitrous oxides, and other greenhouse gases. It's OK to miss a question or two. Chlorine is not a noble gas. If an atom has more protons than electrons, it has a net positive charge. Basic Chemistry Questions? Ag stands for argentum, which is an old name for silver. 11) What happens when an electron moves nearer to the nucleus of the atom? Answer: Ore of silver, that is AgCl. Why should you care? 53) What do you mean by horn silver? 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. What is the percentage of sodium oxide and potassium oxide in feldspar? 74) Consider a titration of potassium dichromate solution with acidified Mohr’s salt solution using diphenylamine as an indicator. The equivalent weight of KMnO4 when it is converted into K2MnO4 is 90) 5 ml of a gas containing only carbon and hydrogen were mixed with an excess of oxygen (30 ml) and the mixture exploded by means of an electric spark. Atom is in the world Answers – basic chemistry part 1 ( 1-25.... Value of Planck ’ s process, check General Knowledge quiz Questions Electrochemical –! An electrolyte imbalance called hyponatremia higher the concentration of H + ions, the volume of the body 's is. 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