Lakhmir Singh - Class 10 Chemistry Chapter 1 all questions
Answers
(a) What are the various ways in which a chemical equation can be made more.....
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(a) Explain, with example, how the physical states of the reactants and pro.....
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(a) Aluminium hydroxide reacts with sulphuric acid to form aluminium sulpha.....
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(a) Substitute formulae for names and balance the following equation
Calciu.....
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(a) Potassium chlorate (KClO3) on heating forms potassium chloride and oxyg.....
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(a) What is meant by chemical reaction? Explain with the help of an example.....
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Translate the following statement into chemical equation and then balance i.....
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(a) State the various characteristics of chemical reactions.
(b) State one .....
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The chemical reaction between two substances is characterised by a change i.....
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The chemical reaction between quicklime and water is characterised by
(a) e.....
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One of the following is an endothermic reaction. This is
(a) combination of.....
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Gas A, which is the major cause of global warming, combines with hydrogen o.....
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The metal M reacts vigorously with water to form a solution S and a gas G. .....
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What is the general name of the chemicals which are added to fat and oil co.....
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In the refining of silver, the recovery of silver from silver nitrate solut.....
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What type of reactions are represented by the following equations?
(a) CaO .....
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(a) Define a combination reaction.
(b) Give one example of a combination re.....
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(a) What is a redox reaction? Explain with an example.
(b) When a magnesium.....
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(a) Explain the following in terms of gain or loss of oxygen with one examp.....
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(a) Why are decomposition reactions called the opposite of combination reac.....
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A metal salt MX when exposed to light splits up to form metal M and a gas X.....
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Two metals X and Y form the salts XSO4 and Y2SO4, respectively. The solutio.....
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A red-brown metal X forms a salt XSO4. When hydrogen sulphide gas is passed.....
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