Write ‘true’ or ‘false’ for the following statements : (a) No

1.	Write ‘true’ or ‘false’ for the following statements : (a) No new substance is formed during a chemical reaction(b) Hydrogen sulphide has rotten egg smell : (c) When potassium iodide solution is added to lead acetate solution a red precipitate is formed (d) A black residue is formed when sugar is heated(e) When iron and sulphur are heated together a grey mass is formed which is attracted by a magnet (f) A chemical equation gives only qualitative information of a chemical reaction
Answer» (a) True (b) True (c) False (d) True (e) False (f) False

Write ‘true’ or ‘false’ for the following statements : (a) No new substance is formed during a chemical reaction(b) Hydrogen sulphide has rotten egg smell : (c) When potassium iodide solution is added to lead acetate solution a red precipitate is formed (d) A black residue is formed when sugar is heated(e) When iron and sulphur are heated together a grey mass is formed which is attracted by a magnet (f) A chemical equation gives only qualitative information of a chemical reaction

Answer»

(a) True

(b) True

(d) True

(e) False

(f) False