The coolant used in nuclear reactor
Tritium
Thorium
Uranium
Water
A solution of common salt and water is called
Hypo
Brine solution
Soft water
Hard water
Formula of Potassium permanganate is
K2MnO2
KMnO4
KMn2O2
KMnO8
The gas which turns a paper dipped in K2Cr2O7 to green is
CO2
SO3
O2
SO2
The ratio in which hydrogen and oxygen are present in water by volume is
2:1
1:2
1:4
4:1
Basic oxide is
MgO
P2O5
The Scientist who prepared oxygen first in the laboratory is
Priestley
Lavoisier
Bohr
Pauli
Boiling point of water on Celsius scale is
105°C
100°C
200°C
110°C
The temperature of oxy-acetylene flame is
2400°C
3200°C
450°C
The catalyst used for hydrogenation of oils is
Nickel
Copper
Aluminium
Calcium
