Advertisements
Advertisements
Question
Name the following:
A chemical in which gold can be dissolved.
Solution
Gold can be dissolved in aqua regia which is mixture of three parts of conoentrated hydrochloric acid and one part of concentrated nitric acid.
APPEARS IN
RELATED QUESTIONS
Complete the following by selecting the correct option from the choices given:
The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is _________. (Al/Cu/Zn/Fe)
State one relevant observation for the following
When hydrogen sulfide gas is passed through lead acetate solution.
Write balanced equation for action of dilute hydrochloric acid on sodium sulphide
Give a chemical test to distinguish between the given pairs of chemicals:
Sodium chloride solution and Sodium nitrate solution
Write an equation for the reaction of hydrochloric acid on zinc carbonate.
What would happen if
Calcium oxide is used to dry hydrogen chloride.
What is the property of concentrated sulphuric acid which allows it to be used in the preparation of hydrogen chloride and nitric acid?
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Sodium hydrogen carbonate
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
The ratio between the volumes occupied by 4.4 grams of carbon dioxide and 2 grams of hydrogen gas is ______.