Class X

Acid used for manufacture of fertilizers and explosives is
  1. Nitric acid
  2. Sulphuric acid
  3. phosphoric acid
  4. hydrochloric aci
When acid reacts with metal carbonate, products are
  1. salt
  2. water
  3. carbon dioxide
  4. all of above
Amount of Hydrochloric Acid (HCl) secreted daily by gastric glands is
  1. 1 lit
  2. 3 lit
  3. 2 lit
  4. 4 lit
KOH is used in making of
  1. drain cleaner
  2. antacid
  3. cement
  4. liquid soap
In pure water, concentrations of
  1. H+ and OH- ions are equal
  2. H+ ions is more
  3. OH- ions is more
  4. Cl- is more
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