The acid used for the manufacture of fertilizers and explosives is
1.nitric acid
2.sulfuric acid
3.phosphoric acid
4.hydrochloric acid
The ratio of the water molecule in plaster of paris and gypsum is
1.1/0/1900 3:01
2.1/0/1900 1:03
3.1/0/1900 1:04
4.1/0/1900 4:03
When base reacts with the non-metal oxide
1.it neutralizes each other
2.it creates fire
3.it produces acidic salts
4.it produces basic salts
When milk of magnesia reacts with acetic acid it produces
1.basic salts
2.acidic salts
3.neutral salt
4.complex salt
Baking powder is
1.sodium carbonate + sodium tartaric
2.sodium bicarbonate + sodium tartaric
3.sodium carbonate + tartaric acid
4.sodium carbonate + sodium benzoate
Brine is used for industrial production of
1.NaOH
2.KOH
3.bleaching powder
4.none of the above
Corrosive effect on the skin is caused by
1.acids
2.bases
3.water
4.mercury
Gastric juice contains HCl which is one example of
1.inorganic acid
2.organic acid
3.soft organic acid
4.strong inorganic acid
Bleaching powders chemical name is
1.calcium hypo oxychloride
2.calcium oxychloride
3.calcium chloride
4.calcium chloro oxide
Which of the following phenomena will occur when a small amount of acid is added to water?
1.dilution
2.neutralisation
3.salt formation
4.ionization