State one observation for each of the following :
Bromine vapours are passed into a solution of ethyne in carbon tetrachloride.
Some word/words are missing in the following statements. You are required to rewrite the statement in the correct form using the appropriate word/words:
Agua regia contains one party by volume of nitric acid and three parts of volume of hydrochloric acid.
Give reason for the following:
Hydrogen chloride gas cannot be dried over quick lime.
Give balanced equation for the following reaction:
Concentrated hydrochloric acid and potassium permanganate solution.
Give balanced equation for the following reaction:
Silver nitrate solution and sodium chloride solution
Give balanced equation for the following reactions;
Ammonia and oxygen in the presence of a catalyst.
Give reason for the following:
Iron is rendered passive with fuming nitric acid.
Concentrated HNO3 being a strong oxidising agent oxidises iron forming a layer that makes iron non-reactive or passive.
Give balanced equation for the following reaction:
Zinc sulphide and dilute sulphuric acid.
Some word/words are missing in the following statement. You are required to rewrite the statement in the correct form using the appropriate word/words:
Ethyl alcohol is dehydrated by sulphuric acid at a temperature of about 1700C.