The acid used for the manufacture of fertilizers and explosives is
1.nitric acid
2.sulfuric acid
3.phosphoric acid
4.hydrochloric acid
Posted Date:-2021-03-07 08:16:56
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
Posted Date:-2021-03-07 08:16:56
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
Posted Date:-2021-03-07 08:16:56
When milk of magnesia reacts with acetic acid it produces
1.basic salts
2.acidic salts
3.neutral salt
4.complex salt
Posted Date:-2021-03-07 08:16:56
Baking powder is
1.sodium carbonate + sodium tartaric
2.sodium bicarbonate + sodium tartaric
3.sodium carbonate + tartaric acid
4.sodium carbonate + sodium benzoate
Posted Date:-2021-03-07 08:16:56
Brine is used for industrial production of
1.NaOH
2.KOH
3.bleaching powder
4.none of the above
Posted Date:-2021-03-07 08:16:56
Corrosive effect on the skin is caused by
1.acids
2.bases
3.water
4.mercury
Posted Date:-2021-03-07 08:16:56
Gastric juice contains HCl which is one example of
1.inorganic acid
2.organic acid
3.soft organic acid
4.strong inorganic acid
Posted Date:-2021-03-07 08:16:56
Bleaching powders chemical name is
1.calcium hypo oxychloride
2.calcium oxychloride
3.calcium chloride
4.calcium chloro oxide
Posted Date:-2021-03-07 08:16:56
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
Posted Date:-2021-03-07 08:16:56