Synthetic detergents are prepared from
1). potassium salts of higher fatty-acids
2). sodium salts of higher fatty-acids
3). hydrocarbons of petroleum
4). glycerides
1. An inert gas mixed with oxygen given to patients suffering from restricted breathing is
3. The long range potential of nu I clear energy in India depends on i its reserves of
5. The element which is commonly used in nuclear for producing electricity by nuclear fission is
6. Question 3.1:What is the basic theme of organisation in the periodic table?
7. Haematite is an ore/mineral of
8. The major harmful gas emitted by automobile vehicles which causes air pollution is
9. Diamond is harder than graphite because of :
10. The most extensive, commercially useful source of thorium as monazite sand occurs in India at