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WorksheetsCHEMISTRY GROUP -2 QUIZ_10G
Total questions: 8
Worksheet time: 5mins
Which of the following is a strong acid?
HCl pH 1
CH3COOH pH 5
Lemon juice pH 2.2
Pure Milk pH 6
Na2CO3.10H2O is known as –
Baking soda
Baking powder
Washing soda
Bleaching powder
Assertion (A) : Copper sulphate crystals are wet because it contains water of crystallisation.
Reason (R) : Water of crystallization is the fixed number of molecules of water present in one
formula unit of salt.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A
A is true but R is false.
A is false but R is true.
Farmers neutralise the effect of Acidity on the soil by adding –
Slaked lime
Gypsum
Caustic soda
Baking soda
An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?
Baking powder
Lime
Ammonium hydroxide solution
Hydrochloric acid
An aqueous solution turns the red litmus solution blue. Excess addition of which of the following solutions would reverse the change?
Baking powder
Lime
Ammonium hydroxide solution
Hydrochloric acid
Assertion (A) : Weak acids have low electrical conductivity.
Reason (R) : Strong acids and weak acids have equal concentration of hydrogen ions in their solutions.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
The apparatus given in the adjoining figure was set up to demonstrate electrical conductivity.Which of the following statement(s) is (are) correct?
(i) Bulb will not glow because electrolyte is not acidic.
(ii) Bulb will glow because HCl is a strong acid and furnishes ions for conduction.
(iii) Bulb will not glow because circuit is incomplete.
(iv) Bulb will not glow because it depends upon the type of electrolytic solution
(i) and (iii)
(ii) and (iv)
(ii) only
(iv) only
