Chemical Process

A. Hard water contains sulphate
B. They form insoluble calcium soaps which precipitate
C. They attract back the removed dirt
D. None of these

A. 800
B. 1600
C. 4000
D. 8500

A. Shaving
B. Medicated
C. Metallic
D. Transparent

A. Fructose
B. Glucose
C. Both A. & B.
D. Neither A. nor B.

A. Na2CO3
B. NaHCO3
C. Na2CO3.H2O
D. Na2CO3.10H2O

A. Aluminium
B. Silver
C. Copper
D. All A, B. and C

A. P
B. √P
C. P2
D. 1/P

A. Carbonating tower
B. Ammonia recovery
C. Ammonia recovery and size of the plant
D. Ammoniation of salt solution

A. Hydrogenation
B. Hydrolysis
C. Hydrocracking
D. Hydration

A. Hydration
B. Dehydration
C. Hydrogenation
D. None of these