- (A) sodium
- (B) iron
- (C) aluminium
- (D) lithium
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- (A) sodium sulphate
- (B) borax
- (C) sodium thiosulphate
- (D) ammonium sulphate
- (A) Zinc
- (B) Lead
- (C) Carbon
- (D) Tin
- (A) ethyl alcohol
- (B) glycerol
- (C) glycol
- (D) methyl alcohol
- (A) oxygen
- (B) nitrogen
- (C) hydrogen
- (D) carbon dioxide
- (A) John Dalton
- (B) E.Rutherford
- (C) De Broglie
- (D)
- (A) silver
- (B) gold
- (C) platinum
- (D) aluminium oxide
- (A) copper
- (B) zinc
- (C) aluminium
- (D) iron
- (A) Faraday
- (B) Lavoisier
- (C) Arrhenius
- (D) Mendeleev
- (A) 23 hours 56 min 4 sec
- (B) 24 hours
- (C) 23 hours 57 min 9 sec
- (D) Non of above
