Options:
- A. Oxalic acid
- B. Succinic acid
- C. Malonic acid
- D. Fumaric acid
View Answer
C. Malonic acid
Chemistry
Isomerism which is present only in alkene is__________________?
Options:
- A. structural isomerism
- B. metamerism
- C. cis-trans isomerism
- D. both b and c
View Answer
C. cis-trans isomerism
Coal is produced after a long time decay of_________________?
Options:
- A. animals
- B. fossils
- C. wood
- D. all of the above
View Answer
C. wood
Reaction in which heat evolves is called ____________________?
Options:
- A. endothermic
- B. spontaneous
- C. non-spontaneous
- D. exothermic
View Answer
D. exothermic
In order to mention the boiling point of water at 110
Options:
- A. Between 760 torr and 1200 torr
- B. Between 200 torr and 760 torr
- C. 765 torr
- D. any value of pressure
View Answer
A. Between 760 torr and 1200 torr
Boiling points of hydrocarbons increase with the increase in number of carbon atoms. It is mainly due to_________________?
Options:
- A. More strength of H-bonding
- B. More strength of London forces
- C. Less polarizability
- D. All of the above
View Answer
B. More strength of London forces
Rising of a wetting liquid in a capillary tube is due to__________________?
Options:
- A. Surface tension
- B. Cohesive forces
- C. Adhesive forces
- D. viscosity
View Answer
C. Adhesive forces
Which one is not true about cathode rays ?
Options:
- A. 9.11
- B. Cast shadow
- C. Heat up the platinum foil
- D. Cannot ionize
View Answer
D. Cannot ionize
Milikan used ______________ in his atomizer?
Options:
- A. Milk
- B. Honey
- C. Oil
- D. Water
View Answer
C. Oil
Rutherford bombarded _________________ particles in discovery of nucleus?
Options:
- A. Gamma-rays
- B. Alpha-rays
- C. Beta-rays
- D. X-rays
View Answer
B. Alpha-rays