English Medium कक्षा १० - CBSE Question Bank Solutions

What is meant by the reactivity series of metals?

Hydrogen is not a metal but still it has been assigned a place in the reactivity series of metals. Why?

Name one metal more reactive than hydrogen.

Name one metal which displaces copper from copper sulphate solution.

Name one metal which displaces silver from a silver nitrate solution.

Which non-metal has been placed in the reactivity series of metals?

The elements whose oxides can turn phenolphthalein solution pink are ______.

One of the following is not a neutral oxide. This is:

A basic oxide will be formed by the element ______.

An acidic oxide is produced by the element ______.

You are given a solution of AgNO₃. Which of the following do you think cannot displace Ag from AgNO₃ solution?

Out of aluminium, copper, calcium and tin, the most reactive metal is:

The least reactive metal among the following is:

An element X reacts with hydrogen, when heated, to form a covalent hydride H₂X. If H₂X has a smell of rotten eggs, the element X is likely to be ______.

Out of the following oxides, the amphoteric oxide is:

The metals which can produce amphoteric oxides are ______.

An element X forms two oxides XO and XO₂. The oxide XO is neutral but XO₂ is acidic in nature. The element X is most likely to be ______.

The elements whose oxides can turn litmus solution blue are ______.

The elements whose oxides can turn litmus solution red are ______.

Zinc oxide is a metal oxide. Which of the following term best describes the nature of zinc oxide: