Teachoo Quiz

10 Question MCQ (including Assertion)

Chapter 2 Class 10 - Acids, Bases and Salts | 10 questions | about 8 minutes

Attempt time 0:00
This question 0:00
Question 1 of 10
Advertisement
Question 1 of 10
NCERT Exemplar
What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) The temperature of the solution increases (ii) The temperature of the solution decreases
(iii) The temperature of the solution remains the same (iv) Salt formation takes place
Select an option to see the answer, or skip this question.
Question 2 of 10
NCERT Exemplar
Sodium carbonate is a basic salt because it is a salt of
Select an option to see the answer, or skip this question.
Question 3 of 10
NCERT Exemplar
Calcium phosphate is present in tooth enamel. Its nature is
Select an option to see the answer, or skip this question.
Question 4 of 10
NCERT Exemplar
A sample of soil is mixed with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish-orange. Which of the following would change the colour of this pH paper to greenish-blue?
Select an option to see the answer, or skip this question.
Question 5 of 10
NCERT Exemplar
An aqueous solution turns the red litmus solution blue. Excess addition of which of the following solutions would reverse the change?
Select an option to see the answer, or skip this question.
Question 6 of 10
NCERT Exemplar
Which of the following gives the correct increasing order of acidic strength?
Select an option to see the answer, or skip this question.
Question 7 of 10
NCERT Exemplar
If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done?
Select an option to see the answer, or skip this question.
Question 8 of 10
NCERT Exemplar
Which of the following salts does not contain water of crystallisation?
Select an option to see the answer, or skip this question.
Question 9 of 10
NCERT Exemplar
Sodium hydrogen carbonate when added to acetic acid evolves a gas.
Which of the following statements are true about how the gas evolved?
(i) It turns lime water milky
(ii) It extinguishes a burning splinter
(iii) It dissolves in a solution of sodium hydroxide
(iv) It has a pungent odour
Select an option to see the answer, or skip this question.
Question 10 of 10
NCERT Exemplar
During the preparation of hydrogen chloride gas 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
Select an option to see the answer, or skip this question.
Stuck? Keep your progress moving.