12 questions
Water gas is a mixture of
Carbon monoxide and water
Carbon dioxide and hydrogen
Carbon monoxide and hydrogen
Carbon monoxide and nitrogen
Which of the following is known as water glass
Sodium silicate
Calcium silicate
Sodium oxide
Calcium nitrate
Which of the following is added to delay the setting of cement
Calcium
Gypsum
Plaster of Paris
Phosphorus
The equivalent mass of a bivalent compound is x what is the molar mass of the compound
X / 2
2X
X²
X+2
Which is known as blue vitriol
Copper nitrate
Copper sulphate
Sulfuric acid
Sodium sulphate
Which of the following has positive electron gain enthalpy
Chlorine
Fluorine
Nitrogen
Sodium
What is the ratio of HCL and HNO3 in Aqua Razia
2:3
1:3
3:1
3:2
Which of the following has least electron gain enthalpy
Fluorine
Chlorine
Bromine
Oxygen
which of the following is not used in making cement
Alumina
Line Store
Gypsum
Rock salt
Which of the following is used in a photo chromatic glass
Zinc chloride
Calcium phosphate
Silver Bromide
Strontium nitrate
which of the following is a thermoset
Polythene
PVC
Polystyrene
Bakelite
which of the following is used in matchsticks
Silver Bromide
Arsenious sulphide
Zinc chloride
Strontium nitrate