Chemistry
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.
Related Questions
Match column A with column B
Column A Colum B (a) Blue salt changes to white and then black (i) Ammonium dichromate (b) Orange coloured compound changes to green (ii) Iodine (c) Red compound changes to brown and then yellow (iii) Zinc Nitrate (d) White to yellow when hot and white when cold (iv) Copper Sulphate (e) Violet solid changes to violet vapours (v) Red Lead Identify the following substances:
(a) An alkaline gas A which gives dense white fumes with hydrogen chloride.
(b) Gas B that has an offensive smell as of rotten eggs.
(c) Gas C that is colourless and can be use as a bleaching agent.
(d) A brown gas D with irritating smell.
What do you observe when dilute sulphuric acid is added to the following:
(a) Sodium Sulphide
(b) Sodium Carbonate
(c) Zinc granules
How is the flame test performed?