(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

What happens when dilute hydrochloric acid is added to Iead nitrate solution ?

State what is observed when hydrochloric acid is added to silver nitrated solution.

By the addition of only one solution, how would you distinguish between dilute hydrochloric acid and dilute nitric acid?

State one appropriate observation of the following:

A few drops of dilute hydrochloric acid are added to silver nitrate solution, followed by the addition of ammonium hydroxide solution.

State your observation when dilute hydrochloric acid is added to lead nitrate solution and the mixture is heated.

How will you distinguished between dilute HCl and dilute H₂SO₄ using lead nitrate solution?

Give two tests of the following:
Oxygen

What happens when
Lead nitrate solution treated with calcium chloride solution and products are heated and cooled.

Write sqauential observation for effect of heat on Ammonium chloride.

State the effect of adding a small amount of : (a) sodium hydroxide (b) ammonium hydroxide followed by an excess in case to samples of the salt solutions.
Lead nitrate [ small amount ________ in excess ________ ]

State two observations when
Lead nitrate crystals are heated in a hard glass test tube.

Write the balanced equation for the reaction of:

A named acid and a named alkali.

State the term defined by the following sentence:

A soluble base.

What is the term defined by the following?

A base which is soluble in water.

Explain the term:

Vapour density

Calculate the relative molecular mass of:

Ammonium chloroplatinate (NH₄)₂ PtCl₆

Calculate the relative molecular mass of:

Potassium chlorate

Calculate the relative molecular mass of:

CuSO₄. 5H₂O

Calculate the relative molecular mass of:

(NH₄)₂SO₄

Calculate the relative molecular mass of:

CH₃COONa