Options:
- A. MnO2
- B. Zn
- C. AgO2
- D. cadmium
View Answer
B. Zn
Chemistry
Geometry of the complex compounds usually depends upon __________________?
Options:
- A. type of ligands
- B. types of hybridization in the elements of ligands
- C. hybridization of central metal
- D. All of above
View Answer
C. hybridization of central metal
Any process of chemical decay of metals due to the action of surrounding medium is called__________________?
Options:
- A. activation
- B. enameling
- C. corrosion
- D. coating
View Answer
C. corrosion
The nitrogenous base different in RNA as compared to DNA is_________________?
Options:
- A. Cytosine
- B. Thymine
- C. Adenine
- D. Guanine
View Answer
B. Thymine
The fertilizers which provide single nutrient from NPK are called ___________ fertilizer?
Options:
- A. straight
- B. compound
- C. both a and b
- D. none of the above
View Answer
A. straight
Which of the following is the most suitable catalyst for ammonia synthesis ?
Options:
- A. Pt
- B. ZnO + Cr2O3
- C. Fe in fused mixture of Al2O3 + SiQ2 + MgO
- D. All of the above
View Answer
C. Fe in fused mixture of Al2O3 + SiQ2 + MgO
Rate of disappearance of reactant is equal to_________________?
Options:
- A. Rate of reaction
- B. Rate of formation of product
- C. Energy released during reaction
- D. A and B
View Answer
A. Rate of reaction
Sum of exponents of molar concentration is called___________________?
Options:
- A. Order of reaction
- B. Molecularity
- C. Rate of reaction
- D. Average of reaction
View Answer
A. Order of reaction
58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?
Options:
- A. 0.1 M
- B. 1 m
- C. 1 M
- D. 0.1 N
View Answer
C. 1 M
For the measurement of standard electrode potential Zn is dipped in________________?
Options:
- A. 1 M ZnO solution
- B. 1 M ZnSO4 solution
- C. 1.5 M ZnSO4 solution
- D. 0.1 M ZnSO4 solution
View Answer
B. 1 M ZnSO4 solution