Tag: action of alkalis on some metals and metal oxides
Questions Related to action of alkalis on some metals and metal oxides
Which of the following equation is the correct one?
Find the odd one with reasons [valency is not a criterion]: $Al(OH) _3, Pb(OH) _2, Mg(OH) _2, Zn(OH) _2$ :
When aluminium hydroxide is reacted with excess sodium hydroxide, the soluble amphoteric compound is formed. Mark the correct formula.
When aluminium hydroxide is reacted with excess ammonium hydroxide, the insoluble compound is formed. Mark the correct formula.
If the pH of an alkali metal hydroxide is 13.6, the concentration of hydroxide is ;
A salt contains two atoms of iron, three atoms of sulphur and twelve atoms of oxygen. Identify the corresponding acid and base from which it is formed.
Colourless solution of silver nitrate is taken in two test tubes A and B. Metal plates of copper and platinum are dipped into test tubes, A and B respectively. Content of test tubes ____________.
When sodium iodide is heated with concentrate sulphuric acid,the vapour evolved is-
Which of the following equation is not correct?
Which of the following equation represents action of alkali on oxide?