In preparation of insoluble salts -------are mixed

When H₂ and O₂ combine they form

Which element is found in most abundance in the atmosphere?

“N” Shell can accommodate electrons:

The valence of chromium is:

In the beginning reverse reaction is :

1st period has elements:

Which gas is produced during ripening of bananas:-

The most ductile metal is:

Dehalogenation of tetrahalide take place in the presence of:-

Non metals form oxides:

How many triple covalent bonds are formed in C2H2 molecule:-

The electronegativity of chlorine is:

The removal of terminal hydrogen from the straight chain of propane is called

Which is lightest metal?

Metallic oxide are

In extant of reaction; the reaction goes to completion have :

Glycol is oxidized into

The elements of group 17th are called:-

If 10cm3 of alcohol is dissolve in 100g of water it is called

The chemical formula of washing soda is:-

Reversible reaction is_________:-

One atmospheric pressure is equal to how many pascal

One atmospheric pressure is equal to how many  pascals?

The isotope C-12 is present in abundance of:-