Options:
- A. nitrogenous fertilizers
- B. micronutrients
- C. phosphorus fertilizer
- D. all of the above
View Answer
B. micronutrients
Chemistry
Which of the following will have very high rate of reaction ?
Options:
- A. Double decomposition reaction
- B. Neutralization reaction
- C. Ionic reactions
- D. all of above
View Answer
D. all of above
Which order of reaction obeys the relation t1/2 = 1/Ka____________________?
Options:
- A. First order
- B. Second order
- C. Third order
- D. Zero order
View Answer
B. Second order
Beckmanns apparatus is used to measure_______________?
Options:
- A. boiling point elevation
- B. depression in freezing point
- C. lowering of vapour pressure
- D. lowering of osmotic pressure
View Answer
B. depression in freezing point
Chemical used in salt bridge is________________?
Options:
- A. KOH
- B. KCI
- C. KNO3
- D. KBr
View Answer
B. KCI
Reaction at anode is called________________?
Options:
- A. oxidation
- B. reduction
- C. redox
- D. decomposition
View Answer
A. oxidation
The oxidation number of central metal atom in [Ni(CO)4] is_________________?
Options:
- A. 0
- B. 2
- C. 4
- D. 6
View Answer
C. 4
Which of the following is typical transition metal ?
Options:
- A. Sc
- B. Y
- C. Cd
- D. Co
View Answer
D. Co
Hydrolysis of an oligosaccharide in the presence of acid yields________________?
Options:
- A. one monosaccharide unit
- B. No monosaccharide unit
- C. 2-9 monosaccharide unit
- D. many monosaccharide
View Answer
C. 2-9 monosaccharide unit
Amylose is__________________?
Options:
- A. Soluble in water
- B. Insoluble in water
- C. Soluble in alcohol
- D. Partially soluble in alcohol
View Answer
A. Soluble in water