Hard steel contains
1). 2 to 5 per cent carbon
2). 5 to 5 per cent carbon
3). 1 to 4 per cent carbon
4). 01 to 04 per cent carbon
1. The gas involved in Bhopal incident was
2. Question 14.23:The two strands in DNA are not identical but are complementary. Explain.
3. Iodine can be separated from a mixture of Iodine and Potassium Chloride by
4. Maximum permissible concentration of copper in drinking water in mg/L is
5. Pasteurization is the process in which milk is heated to
6. Total number of naturally occurring elements
7. Impure camphor is purified by
8. In a Carbonyl group a carbon atom makes double bond with