PRACTICE TEST -2-Class 10 – Science -Chemistry -chapter 2- Acids, Bases and Salt

Which of the following statements is correct about an aqueous solution of an acid and of a base?
(i) Higher the pH, stronger the acid
(ii) Higher the pH, weaker the acid
(in) Lower the pH, stronger the base
(iv) Lower the pH, weaker the base

Which of the following metal is not reactive metal?

Sodium Hydrogen Carbonate, When added to acetic acid, evolves a gas. which of the following statements are true about the gas evolved ?

Which of the following metal is not lustrous?

When hydrogen chloride gas is prepared on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to ?

Which of the following statements is correct about the analogous organ?

Many salts absorbs water from atmosphere. This property is called

Payal is writing some statements, choose the correct statement ?

Which of the following statements is correct about an aqueous solution of an acid and a base ?

What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) Temperature of the solution decreases
(ii) Temperature of the solution increases
(iii) Temperature of the solution remains the same
(iv) Salt formation takes place

In terms of acidic strength, which one of the following is in the correct increasing order?

During the preparations of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride. the role of the calcium chloride taken in the guard tube is to ?

If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done?

What is a balanced chemical equation?

A student has dipped blue litmus paper into a beaker containing a liquid. Its colour turned red. Which of the following is responsible for this change?

In the table given below, match the bases in the first column with their applications mentioned in the second column.