EASY
10th CBSE
IMPORTANT
Earn 100

Plaster of Paris should be stored in a moisture-proof container. Explain why?

Important Questions on Acids, Bases and Salts

EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 3

Which of the following is the correct formula of plaster of Paris?
CaSO4.H2O  or  2(CaSO4).H2O

EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Formative Assessment>Q 1
The colour of neutral litmus solution is 
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Formative Assessment>Q 2
Which of the following indicators is an olfactory indicator?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Formative Assessment>Q 3
Which one is suitable method to find the accurate pH value?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Formative Assessment>Q 4
Which one of the following statements is correct about universal indicator?
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Formative Assessment>Q 5

Which of the following properties are shown by dilute HCl?

(i) It turns blue litmus red. 
(ii) It turns red litmus blue.
(iii) It reacts with zinc and a gas is evolved. 
(iv) It reacts with solid sodium carbonate to give brisk effervescence.

EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Formative Assessment>Q 6
A teacher gave two test tubes-one containing water and the other containing sodium hydroxide solution to two students. Then he asked them to identify the test tube containing sodium hydroxide solution. Which one of the following can be used for correctly identifying the test tube containing the solution of sodium hydroxide?
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Formative Assessment>Q 7
Metallic oxides are ______ in nature, but non-metallic oxides are ______ in nature. The information in which alternative completes the given statement is: