Acids, Bases and Salts
Authored by Jaineel Pathak
Science
7th Grade
Used 11+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Mark ‘T’ if the statement is true and ‘F’ if it is false:
(i) Nitric acid turns red litmus blue. (T/F)
(ii) Sodium hydroxide turns blue litmus red. {T/F)
(iii) Sodium hydroxide and hydrochloric acid neutralise each other and form salt and water. (T/F)
(id) Indicator is a substance which shows different colors in acidic and basic solutions. . (T/F)
(v) Tooth decay is caused by the presence of a base. (T/F)
(1) F (ii) F (iii) T (iv) T (V) F
(1) F (ii) F (iii) T (iv) T (V) T
(1) F (ii) F (iii) F (iv) T (V) F
(1) T (ii) F (iii) T (iv) T (V) F
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name the acid that is present fire extinguishers.
Hydrochloric acid
Nitric acids
Sulphuric acid
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
(a) is a solution in which water is solvent? (all letter must be small and spelling must be correct.)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pure rain is slightly acidic due to presence of which acid
Acetic acid
Carbonic acid
Formic acid
Amino acid
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Tartaric acid (Acid present)
Name the food material.
Tamarind
Apple
Orange
Grapes
6.
FILL IN THE BLANKS QUESTION
45 sec • 1 pt
Water soluble bases are called.
(all letter must be small and spelling must be correct.)
(a)
7.
FILL IN THE BLANKS QUESTION
45 sec • 1 pt
Which acid are corrosive in nature.
(all letter must be small and spelling must be correct.)
(a)
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