Options:
- A. Promoters
- B. Poisoning catalysts
- C. Inhibitors
- D. pro-catalysts
View Answer
B. Poisoning catalysts
Chemistry
If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?
Options:
- A. H2 is deposited at cathode
- B. Colour of the solution becomes fade
- C. Cu is deposited at anode
- D. All are possible
View Answer
B. Colour of the solution becomes fade
Lead accumulators are_______________?
Options:
- A. secondary cell
- B. primary cell
- C. voltaic cell
- D. both A & C
View Answer
D. both A & C
E0red of an element cab be calculated by comparing it with _____________________?
Options:
- A. New electrode of same element
- B. SHE
- C. 1M solution of ions of respective element
- D. 2M solution of HCI
View Answer
B. SHE
Pure metal__________________?
Options:
- A. corrode slowly
- B. corrode rapidly
- C. does not corrode easily
- D. none of these
View Answer
C. does not corrode easily
When light is exposed to transition element then electrons jump from lower orbitals to higher orbitals in______________________?
Options:
- A. orbitals of f-subshell
- B. orbitals of d-subshell
- C. orbitals of p-subshell
- D. both A & B
View Answer
D. both A & B
Animal and vegetable fats are___________________?
Options:
- A. Glycerols
- B. Fatty acids
- C. Triesters formed from glycerol and fatty acids
- D. Tetraesters formed from glycerol and fatty acids
View Answer
C. Triesters formed from glycerol and fatty acids
Lipopolysaccharides are examples of________________?
Options:
- A. Derived lipids
- B. Simple lipids
- C. Compound lipids
- D. Not a type of lipids
View Answer
C. Compound lipids
Cement is a mixture of________________?
Options:
- A. clay and clinker
- B. clay lime stone and gypsum
- C. lime stone and gypsum
- D. lime stone and clay
View Answer
B. clay lime stone and gypsum
Which one of the following raw material is not present in the cement ?
Options:
- A. lime stone
- B. gypsum
- C. KNO3
- D. iron oxide
View Answer
D. iron oxide