MEDIUM
10th CBSE
IMPORTANT
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What is bleaching powder? What are its uses?

Important Questions on Acids, Bases And Salts

MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 15
Doctors use a paste of white substance in water to maintain a fractured bone fixed in its place. Identify this substance and write its chemical formula.
HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 16
Name the substance obtained by the action of chlorine on dry slaked lime. Write the chemical equation of the reaction.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 17
A white powdered solid when added to water produces a hissing sound. Identify the compound. How does this compound react with moist hydrogen chloride gas? Write the chemical equation.
HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 18
Describe an activity to show that acidic solution conducts electricity.
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 19

_____ is a weak acid.

(A) HCl                   (B) H2SO4                    (C) CH3COOH

Enter your correct answer as A, B or C.

EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 19
Potassium nitrate has pH value equal to _____.
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 19

Washing soda has a chemical formula _____.

(A) Na2CO3.10H2O                        (B) Na2CO3.H2O                      (C) Na2CO3.2H2O

Enter your correct answer as A, B or C.

MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 19
Plaster of Paris is obtained by heating _____.