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Question-1
Which of the following type of medicines is used for treating indigestion caused by over eating?
(A)
Antibiotic
(B)
Analgesic
(C)
Antacid
(D)
Antiseptic
Question-2
Which of the following is added to soil in order to reduce acidity?
(A)
Sodium sulphate
(B)
Ammonium sulphate
(C)
Sodium carbonate
(D)
Calcium hydroxide
Question-3
The reaction between an acid and a base to form salt and water is called:
(A)
Carbonation
(B)
Hydrogenation
(C)
Neutralisation
(D)
Titration
Question-4
A yellow stain of turmeric containing curry on a white shirt turns red when soap solution is scrubbed on it. This shows that soap solution is:
(A)
Basic
(B)
Acidic
(C)
Neutral
(D)
No inference
Question-5
Which of the following contains lactic acid?
(A)
Ant's sting
(B)
Unripe grapes
(C)
Lemon
(D)
Sour milk
Question-6
With which of the following be 'milk of Magnesia' reacted so as to have a neutralisation reaction?
(A)
Baking soda
(B)
Vinegar
(C)
Ammonia solution
(D)
Quick lime
Question-7
Which is the measure used to describe acidity of a solution?
(A)
Newton
(B)
pH
(C)
Hz
(D)
Joule
Question-8
The aqueous solution of one of the following will turn litmus indicator from light red to blue. This solution is of:
(A)
Vinegar
(B)
Baking soda
(C)
Lemon juice
(D)
Carbonic acid
Question-9
Which of the following contains tartaric acid?
(A)
Lemon
(B)
Vinegar
(C)
Tamarind
(D)
Curd
Question-10
Which of the following is a mineral acid?
(A)
Citric acid
(B)
Acetic acid
(C)
Carbonic acid
(D)
Oxalic acid
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Std 7
CBSE
Practice in Related Chapters
Fibre to Fabric
Nutrition In Animals
Respiration in Organisms
Nutrition in Plants
Heat
Acids,Bases and Salts
Transportation in Animals and Plants
Physical and Chemical Changes
Weather Climate and Adaptations of Animals to Climate
Wind, Storms and Cyclones
Soil
Reproduction in Plants
Motion and Time
Electric Current and its Effects
Light
Water: A Precious Resource
Forests Our Life Line
Waste Water Story
Water and its Conservation
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