A three year child has _______ teeth?
A. 20
B. 30
C. 10
D. None of these
A. 20
B. 30
C. 10
D. None of these
In the manufacture of banaspati ghee the gas used is __________?
A. Helium
B. Hydrogen
C. Oxygen
D. Nitrogen
A. Carbon
B. Hard coal
C. Ammonia
D. None of these
Anthracite, often referred to as hard coal, is a hard, compact variety of coal that has a submetallic luster. It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.
A. Lithification
B. Rejuvenation
C. Hydration
D. Peroxidation
Tesla is the unit of_________________________?
A. Magnetic Field Strength
B. Electric Field Strength
C. Gravitational Field Strength
D. Nuclear Field Strength
____________ have no charge?
A. Neutrons
B. Protons
C. Electrons
D. None of These
A. remain the same
B. decrease
C. become zero
D. increase