Metals react with dilute acids to give metal salts and
Water
Oxygen
CO2
H2
The Acid precent in vinegar is
Lactic acid
Acetic acid
Oxalic acid
Citric acid
On heating gypsum at 373K, it loses water molecules and becomes___________.
Bleaching powder
Washing soda
Caustic soda
Plaster of Paris
Which is known as plaster of paris ?
CaSO4.5H2O
CaSO4.3H2O
CaSO4.3/2H2O
CaSO4.1/2H2O
____________ is known as baking soda.
Sodium hydrogen carbonate
Sodium carbonate
Sodium hydroxide
Potassium hydroxide
Bleaching powder is
Calcium oxychloride
Calcium bicarbonate
Calcium hydride
Calcium oxide
Which acid is produced in Stomach, helps in the digestion of food without harming the stomach?
Hydrochloric acid
Sulphuric acid
Nitric acid
Phosphoric acid
Acid that release more H+ ions easily are said to be
Weak acid
Strong base
Weak base
Strong acid
Which acid is present in sour milk (curd)?
Formic acid
Carbondioxide in water forms _________
carbonic acid
carbon monoxide
acetic acid
caustic soda
