Chemistry
Carbon dioxide and sulphur dioxide gas can be distinguished by using
(i) moist blue litmus paper
(ii) lime water
(iii) acidified potassium dichromate paper
(iv) none of the above.
Related Questions
Name the gases which
(a) extinguishes burning wooden splinter.
(b) turns moist red litmus blue.
(c) do no effect on moist litmus.
(d) affect the acidified K2Cr2O7 paper and also turns lime water dirty milky.
Name:
(a) Two carbonates which do not produce carbon dioxide on heating.
(b) A colourless gas which bleaches
(c) Gases which have sour taste
(d) Greenish yellow gas which also bleaches
(e) Gas with rotten egg smell.
The salt which in solution gives a pale green precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is :
- Iron (III) sulphate
- Iron (II) sulphate
- Iron (II) chloride
- Iron (III) chloride
A compound P is heated in a test tube with sodium hydroxide solution. A red litmus paper held at the mouth of the test tube turns blue. Which of the following could compound P be?
- zinc sulphate
- copper sulphate
- ferrous sulphate
- ammonium sulphate