Zinc sulphide is commonly used as
1). fungicide
2). herbidide
3). rodenticide
4). deodorant
3). rodenticide
1. An inert gas mixed with oxygen given to patients suffering from restricted breathing is
2. ______ decreases the rate of setting of cement.
3. Detergents clean surfaces on the principle of
4. Which of the following caused radioactive pollution along the coast of Kerala ?
5. Bleaching powder is used in drinking water as a an
6. The important ore of aluminium is
7. Curd is sour due to presence of
8. The chemical name of Common salt is
9. The metal does not give H2 on treatment with dilute HCL is