Why does a piece of burning Mg ribbon continues to burn in `SO_2`? Give the name of product.

Why Mg-ribbon continues to burn in presence of SO_2 gas?

Why does NO_(2) dimerise?

Complete the following reaction giving names of products.

When a mixture of K_(2)Cr_(2)O_(7) and NH_(4)Cl is heated , a colourless gas in evloved which is neither combustiible nor a supporter of combusion . However , Mg continued to burn in it. When the gas (A) is reacted with calcium carbide in it . When the gas (A) is reacted with calcium carbide in electric furnace , a solid (B) is obtained . (B) undergoes slow hydrolysis forming an insoluble compound (C) and the solution of the compound (D). (D) truns Nessle's reagent brown. Identify (A) to (D) . Write the reactions involved.

Why does benzene burn with a sooty flame ?

What happens when a burning Mg stripe is placed into a container contains N_2 gas. Give equation.

Why does Li and Mg exhibit diagonal relationship?

A burning magnesium ribbon cannot be extinguished by carbon dioxide-why?

The rate at which a piece of coal burns is much slower than the rate of burning of powdered coal of equal weight. Explain.