Diagnostic Test

A. CaF2
B. NaCl
C. Glass
D. Diamond

A. Fluorescent bulb
B. Neon signs
C. Lasers
D. All of these

A. Both a and b are small
B. Both a and b are large
C. a is small and b is large
D. a is large and b is small

A. Hot air currents
B. folds of filter paper
C. oven
D. Vacuum desiccator

A. is taken in lesser quantity in grams as compared to other reactants
B. is taken in lesser quantity in volume as compared to other reactants
C. gives the maximum amount of the product which is required
D. gives the minimum amount of the product under consideration

A. Nickel
B. Calcium
C. Cadmium
D. Tin

A. macromolecule
B. macromolecule
C. molecularity
D. atomicity

A. 1.008
B. 0.55
C. 0.184
D. 1.637

A. Ammonia
B. Dissolved oxygen
C. Carbon dioxide
D. All

A. Urea
B. Calcium superphosphate
C. Diammonium phosphate
D. Potassium nitrate