Options:
- A. Enzyme
- B. Substrate
- C. Enzyme and substrate
- D. Enzyme and product
View Answer
B. Substrate
Chemistry
The composition of mixture of clay and lime stone in the raw for cement material is __________________?
Options:
- A. 75% lime stone and 25% clay
- B. 25% lime stone and 75% clay
- C. 15% lime stone and 55% clay
- D. 55% lime stone and 15% clay
View Answer
A. 75% lime stone and 25% clay
The specific rate constant of a first order reaction depends on the________________?
Options:
- A. Time
- B. Concentration of the reactant
- C. Temperature
- D. Concentration of the product
View Answer
C. Temperature
Which statement is incorrect about catalyst___________________?
Options:
- A. it is used in smaller amount
- B. decrease activation energy
- C. specific in action
- D. it affects specific rate constant
View Answer
D. it affects specific rate constant
End name of enzyme is___________________?
Options:
- A. yl
- B. ase
- C. one
- D. al
View Answer
B. ase
Molten NaCl conducts electricity due to the presence of_______________?
Options:
- A. Free electrons
- B. Free molecules
- C. Free ions
- D. Atoms of Na and Cl
View Answer
C. Free ions
Percentage of sulfuric acid in lead accumulator is__________________?
Options:
- A. 40%
- B. 25%
- C. 30%
- D. 50%
View Answer
C. 30%
Greater value of standard reduction potential greater will be tendency__________________?
Options:
- A. to get oxidized
- B. to get reduced
- C. to accept electrons
- D. both B and C
View Answer
D. both B and C
The specie which donates electrons to central metal atom in coordination sphere is called____________________?
Options:
- A. anion
- B. cation
- C. Ligand is positively charged
- D. acid
View Answer
C. Ligand is positively charged
In complex compounds the oxidation number is written in___________________?
Options:
- A. English
- B. Greek
- C. Roman numeral
- D. Hebrew
View Answer
C. Roman numeral