The type of bonds present in sulphuric anhydride

Which pair of oxyacids of phosphorous contain ‘P - H\' bonds

SiCl₄ on hydrolysis forms X and HCI. Compound X loses water at 1000^oC and gives Y. Compounds X and Y respectively are <br>

Aluminium reacts with NaOH and forms compound X. If the coordination number of aluminium in X is 6, the correct formula of X

Which of the following is the anhydride of HNO₃

Helium mixed with oxygen is used in the treatment of:

While phosphorus form PCl₅, nitrogen does not form NCl₅ because

Ordinary glass is a combination of the following

Carbogen to

Which of the following is used in the preparation of generated water (soda)