Options:
- A. Shell
- B. Orbit
- C. Nucleus
- D. Orbital
View Answer
C. Nucleus
Chemistry
Universe is almost 70% made up of __________?
Options:
- A. Helium
- B. Hydrogen
- C. Chlorine
- D. Carbon
View Answer
B. Hydrogen
Cations possess __________ charge?
Options:
- A. +ve
- B. -ve
- C. Neutral
- D. None
View Answer
A. +ve
diamond got brilliance due to following reason?
Options:
- A. reflection
- B. refraction
- C. dispersion
- D. all
View Answer
D. all
One Water molecule can form maximum ______hydrogen bonds.
Options:
- A. 2
- B. 3
- C. 4
- D. None
View Answer
C. 4
Aldehydes and ketones both, show the type of Isomerism is __________?
Options:
- A. chain Isomerism
- B. Functional Group Isomerism
- C. Metamerism
- D. Position Isomerism
View Answer
B. Functional Group Isomerism
In water molecule, Hydrogen & water are held together by ______ bond.
Options:
- A. Ionic
- B. Covalent
- C. Hydrogen
- D. Dating
View Answer
B. Covalent
The quality of petrol is improved by ____________?
Options:
- A. Cracking
- B. Reforming
- C. Refining
- D. Hydration
View Answer
B. Reforming
The chemical symbol for silver is __________?
Options:
- A. Au
- B. Ag
- C. Sv
- D. At
View Answer
B. Ag
A process in which large molecules are broken up into into smaller molecules is called as_____.
Options:
- A. Reforming
- B. Cracking
- C. Refining
- D. Isomerization
View Answer
B. Cracking