Chemistry

Match it! Select the correct answer from the pull down...Good luck!

Which one of the following would not give a visible reaction with dilute hydrochloric acid?

Hydrogen gas reacts with nitrogen under high pressure and temperature in Haber Process to give?

X, an acid, was added to a solution of the nitrate of metal Y. A dense white precipitate was formed. What are X and Y?

Excess of sodium hydroxide is added to aqueous solution of salt X and boiled. Ammonia gas is given off after aluminium foil is added to hot solution. What could X be?

2 aqueous solutions, X and Y, are mixed together. Which one of the following pairs would not give a white precipitate?

Excess ammonia solution is added to an aqueous solution which contains calcium and copper (II) ions. Which of the following is a correct observation?

In separate experiment,excess of aqueous sodium hydroxide or aqueous ammonia was added to solution X.In both experiments,ppt was obtained which dissolve in excess of added reagent.

Pale green solution X gives green ppt with excess aqueous sodium hydroxide. Alkaline gas is given off when the mixture is warmed with powdered aluminum. What does X contain?