List of top Science Questions on Acids, Bases And Salts asked in CBSE Compartment X

The acid present in nettle leaves is:

A few drops of turmeric solution are added to a colorless liquid. If the liquid turns red in color, the liquid could be:

A certain aqueous solution turns blue litmus red. On adding an excess of which of the following solutions will this change be reversed?
Lemon juice
Magnesium hydroxide
Vinegar
Calcium sulphate

Which of the following will turn phenolphthalein pink?
CH$_3$COOH
Ca(OH)$_2$
HCl
NaOH

Write the name and formula of a gas whose solution is basic.

Why is a basic solution used to treat a bee sting?

Name the acids present in:
Tomato
Tamarind (imli)

Define crystalline water.

Select from the following compounds which is not a base :

2 g of yellow sulphur powder is burnt in a china dish and the fumes are collected in a test tube. Water is added in the test tube and the solution is tested separately with blue and red litmus paper. The correct option is :

Define water of crystallisation.