Marsh gas contains-
1). $CO_{2}$
2). $CH_{4}$
3). $N_{2}$,
4). $C_{2}H_{6}$
1. Question 16.14:What is tincture of iodine? What is its use?
2. The name of plastic polymer from which combs, toys, bowls etc., can be made, is
3. Which of the following is the main compound of voter ink?
4. Dry ice is
5. Question 7.16:Can PCl5 act as an oxidising as well as a reducing agent? Justify.
7. The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :
8. Greenhouse effect is caused by
9. Question 11.2:Identify allylic alcohols in the above examples.