Which of the following is the major constituent of LPG?
1). Methane
2). Ethane
3). Propane
4). Butane
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1. The depletion in Ozone layer is caused by ________ .
2. Question 5.4:Why is it necessary to remove CO when ammonia is obtained by Haber’s process?
3. Magnetite is an ore/mineral of
4. The most commonly used chemicals in the artificial rainmaking or cloud seeding are
5. Which of the following is used to make light weight, but strong plastic ?
6. Question 5.24:Give four uses of emulsions.
7. The Bhopal gas tragedy was caused by the gas
8. Which one of the following is not a fertilizer?
9. Barium loses ____ electrons to achieve noble gas electron configuration.
10. Which of the following is a renewable source of energy ?