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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
The reaction between an acid and a base to form salt and water is called:
(A)
Carbonation
(B)
Hydrogenation
(C)
Neutralisation
(D)
Titration
Question-3
When an ant stings a person, it injects a liquid into the skin of the person which contains:
(A)
Acetic acid
(B)
Calcium hydroxide
(C)
Formic acid
(D)
Potassium hydroxide
Question-4
The substance which can turn blue litmus to red is:
(A)
Baking soda
(B)
Milk of magnesia
(C)
Lemon juice
(D)
Calamine solution
Question-5
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-6
When a basic solution is added to an indicator, a green colour is produced. The indicator should be:
(A)
Red litmus indicator
(B)
China rose indicator
(C)
Phenolphthalein indicator
(D)
Turmeric paper indicator
Question-7
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-8
The property which is common between vinegar and curd is that they both:
(A)
Have sweet taste
(B)
Have bitter taste
(C)
Are tasteless
(D)
Have sour taste
Question-9
Which of the following contains lactic acid?
(A)
Ant's sting
(B)
Unripe grapes
(C)
Lemon
(D)
Sour milk
Question-10
Which of the following does not cause acid rain?
(A)
Sulphur dioxide
(B)
Carbon monoxide
(C)
Carbondioxide
(D)
Nitrogen dioxide
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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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