Chemical Bonding — Chemistry STD 10 — Question

What do you notice when acetic acid reacts with alkalies ?

Calcium, copper, lead, aluminium, zinc, chromium, magnesium, iron.
Choose the major metals from the list given above to make the following alloys:
(a) Stainless steel
(b) brass

Write a balanced equation for the laboratory preparation of ammonia from ammonium chloride.

Methane is the first member of alkane, when it is treated with excess of chlorine in the presence of diffused forms carbon tetrachloride. Draw the appropriate structural formula of carbon tetrachloride and state the type of bond present is it.

Dilute nitric acid is generally considered to be a typical acid except for its reaction with metals. In what way is dilute nitric acid different from other acids when it reacts with metals?

What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?

Give reason for the following:
When diluting concentrated sulphuric acid, the acid should be added to water and not water to the acid.

If 6 liters of hydrogen and 4 liters of chlorine are mixed and exploded and if water is added to the gases formed, find the volume of the residual gas.

Give one test to distinguish between the following pair of chemical.
Zinc nitrate solution and calcium nitrate solution.

Write the equation for the preparation of carbon tetrachloride from methane.