Chemistry
State one relevant reason for the following : Hydrated copper sulphate crystals turn white on heating.
Related Questions
Distinguish between the following pairs of compounds using the reagent given in the bracket.
(i) Manganese dioxide and copper [II] oxide [using conc. HCl]
(ii) Ferrous sulphate solution and ferric sulphate solution [using sodium hydroxide solution]
State one relevant observation for the following reaction : Zinc carbonate is heated strongly.
Match the gases given in column I to the identification of the gases mentioned in column II
Column I Column II (i) Hydrogen sulphide A : Turns acidified potassium dichromate solution green (ii) Carbon dioxide B: Turns lime water milky (iii) Sulphur dioxide C: Turns reddish brown when it reacts with oxygen D: Turns moist lead acetate paper silvery black. Distinguish between the following pairs of compounds using a reagent as a chemical test:
(i) Calcium nitrate and Zinc nitrate solution
(ii) Magnesium chloride and Magnesium nitrate solution