Q1.What can be the nature of a salt formed from the neutralisation of an acid and a base?

Q2.Which of the following pairs neutralise each other to form salt and water?

Q3.Which solution is commonly applied on the skin when an ant bites?

Q4.Which natural substance is suggested in the text as an indicator to identify hydrochloric acid, sodium hydroxide, and a sugar solution?

Q5.If blue litmus paper is dipped in a solution and it remains blue, what can be inferred about the nature of the solution?

Q6.According to the provided statements, what determines the change of colour in an acid and a base when an indicator is used?

Q7.Which of the following can be prepared and used as an indicator to test acidic and basic solutions?

Q8.Which acid is found in every cell of our body and controls features like looks, eye colour, and height?

Q9.What is the primary function of Deoxyribonucleic acid (DNA) in the human body?

Q10.Proteins that build part of our cells are made of which type of acids?