A. Oxidation
B. Reduction
C. Polymerisation
D. Radical substitution
Submitted by: ABDUL HAYEE
Related Mcqs:
- In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ?
A. Chemical Reaction
B. Nuclear reaction
C. Fission nuclear reaction
D. Fusion nuclear reaction
E. None of these - When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________?
A. Visible
B. Transparent
C. Invisible
D. opaque
E. None of these - The sunlight can reach a depth of___________meters in the ocean
A. 80
B. 200
C. 120
D. None - Sunlight is a Great Source of ____________?
A. vitamin C
B. vitamin D
C. vitamin E
D. vitamin KSubmitted by: Sara khan
- Sunlight is composed of___________?
A. Three colours
B. six colours
C. seven colours
D. eight coloursSubmitted by: Mian Jamil Shah
- The Time taken for sunlight to reach the Earth is___________?
A. 700 sec
B. 8hrs 20 mins
C. 8 mins 20 sec
D. 8 minsSubmitted by: Anand Hanjhro
- Exposure to sunlight helps a person improve his health because ________?
A. Resistance power increases
B. The infrared light kills bacteria in the body
C. The ultraviolet rays convert skin oil into Vitamin D
D. The pigment cells in the skin get stimulated and produce a healthy tanSubmitted by: Rashid Mehmood
- Sunlight is made of__________colours?
A. Seven colours
B. Five colours
C. Three colours
D. Non of theseSubmitted by: Inayat Ullah Dirvi
- When in the part of its orbit closest to the Sun, Pluto has an atmosphere of nitrogen and methane similar to Triton’s, but what happens when it is farther from the Sun ?
A. These gases are not present
B. These gases are like plasma
C. These gases are frozen
D. These gases are volatileSubmitted by: Muhammad Abdullah
- Bleaching action of chlorine is by________?
A. Oxidation
B. Reduction
C. Decomposition
D. HydrolysisSubmitted by: ABDUL HAYEE