RNA is a polymeric molecule. What does RNA stand for?
1). Rado Nuclear Acid
2). Ribo Nucleic Acid
3). Rhino Nuclear Acid
4). Resto Nucleus Acid
1. The purity of gold is expressed in carats. The purest form of goldis.
2. Mortar is a mixture of water sand and
3. Cobalt - 60 is commonly used in radiation therapy because it emits-
4. Wax used for making candle is chemically a mixture of
5. The chief constituent of natural gas is:
6. Chemical formula of washing soda is
7. Sodium bicarbonate is commercially known as
8. $H_{2}O$ is liquid and $H_{2}S$ is a gas because -
9. Where does the oxygen that keeps us alive come from?
10. The metal does not give H2 on treatment with dilute HCL is