असि का अर्थ क्या होता है ?

CALCOCITE is an ore of :

Sodium Chloride is an example of

Which of the Following is not the Ore of Aluminium ?

Amalgam is a mixture of

Which of the following is not the Ore of Aluminium?

Milk tastes sour when kept in the open for sometimes due to the formation of-

Which of the following glass absorbs ultraviolet rays which are harmful for the eyes?

Soap is prepared by boiling caustic soda with -

The most reactive among the halogens is-

Another name of Carborundum is