Question

subject - science

ch - is matter around us pure

Q2 true/false

(1) Hydrogen sulphide is a colourless gas with the smell of burning sulphur _______.
(2) A compound has different properties compared to combining elements _______.
(3) sulphur dissolved in carbon disulphide has a uniform composition _______.
(4) mixture of two liquids with difference in boiling points more than 50 degree celsius are separated by fractional distillation ________.
(5) mixture of sand and camphor cannot be separated by the method of sublimation _______.
(6) colloidal particles are big enough to scatter a beam of light passing through it and make its path visible _______.​

Answer 1

1. true

2.false

3.false

4.false

5.true

6.true

5.