Carbon dioxide was discovered by_______?
A. Niels Bohr B. Amedeo Avogadro C. Joseph Black D. None of Above
Molasses is a byproduct of ______ Factory?
A. Fertilizer B. Cotton seed oil C. Sugar D. Banaspati Ghee
Which of the following is solid?
A. Water B. Stone C. Both D. None
What is the name of the Active asteroid discovered near Jupiter?
A. 2019 Jup1036 B. 2019 JR10A C. 2019 LD2 D. 2019 AA1
Radiations are harmful as it:___________?
A. Causes skin cancer B. Causes anemia C. Alters body tissue D. is unstable
Most soluble in water is:__________?
A. Camphor B. Sulphur C. Common salt D. Sugar
Carbon, Diamond and Graphite are together called:___________?
A. Allotrope B. Isomers C. Isomorphs D. Isotopes
The element common to all acids is:__________?
A. Hydrogen B. Carbon C. Sulphur D. Oxygen
Which of the following is used as a lubricant?
A. Graphite B. Silica C. Diamond D. Iron oxide