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Question 1
Which of the following constituents of coal is the most important in the production of coke?
Question 2
Which type of glass is used for making glass reinforced plastic?
Question 3
Exposures to mixtures or chemical are greater than expected on the basis of effects of exposure to each chemical individually. This is known as
Question 4
For which one of the following, it is most difficult to form oxyacid?
Question 5
Microbial degradation of nitrates into atmospheric nitrogen is known as
Question 6
The term brown air is used for
Question 7
Which is the least penetrating power ray?
Question 8
Match the following
I
A- Ascorbic acid
B- Chlorophy II
C- Carotenoid
D- Superoxide dismutase
II
1. Photosynthetic pigment
2. Quencher
3. Enzyme
4. Vitamin –C
Question 9
Chemical name of Gammexane, is
Question 10
β –particles emitted from a radioactive nuclei are
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