Options:
- A. Beryllium
- B. Carbon
- C. Silicon
- D. Aluminium
View Answer
D. Aluminium
Chemistry
When sulphuric acid is treated with ethanol sulphuric acid behaves like________________?
Options:
- A. an acid
- B. a dehydrating agent
- C. an oxidizing agent
- D. as sulphonating agent
View Answer
B. a dehydrating agent
Vander Waals forces are stronger in_______________?
Options:
- A. F2
- B. Cl2
- C. Br2
- D. I2
View Answer
D. I2
The colour of chlorine gas is_______________?
Options:
- A. pale yellow
- B. freenish yellow
- C. reddish brown
- D. grayish black
View Answer
B. freenish yellow
Removal of CO2 is called_____________________?
Options:
- A. carboxylation
- B. decarboxylation
- C. esterification
- D. hydroxylation
View Answer
B. decarboxylation
Soda lime is a mixture of____________________?
Options:
- A. CaO and KOH
- B. CaO and NaOH
- C. NaOH and Na2O
- D. Na2O and KOH
View Answer
B. CaO and NaOH
Elimination bimolecular reactions involve____________________________?
Options:
- A. first order kinetics
- B. second order kinetics
- C. third order kinetics
- D. zero order kinetics
View Answer
B. second order kinetics
Alkyl halides are considered to be very reactive compounds towards nucleophile because_________________?
Options:
- A. they have an electrophilic carbon
- B. they have an electrophilic carbon & a good leaving group
- C. they have an electrophilic carbon & a bad leaving group
- D. they have a nucleophilic carbon & a good leaving group
View Answer
B. they have an electrophilic carbon & a good leaving group
Phenol was isolated by Runge from________________?
Options:
- A. vegetable oil
- B. coaltar
- C. wood
- D. none of these
View Answer
B. coaltar
Benzene is heated in air with V2O5 at 450
Options:
- A. Substitution reaction
- B. Addition reaction
- C. Elimination reaction
- D. Oxidation reaction
View Answer
D. Oxidation reaction