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Question-1
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-2
Which of the following does not cause acid rain?
(A)
Sulphur dioxide
(B)
Carbon monoxide
(C)
Carbondioxide
(D)
Nitrogen dioxide
Question-3
Which is the measure used to describe acidity of a solution?
(A)
Newton
(B)
pH
(C)
Hz
(D)
Joule
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
Which of the following is a medicine for indigestion?
(A)
Sodium hydroxide
(B)
Manganese hydroxide
(C)
Magnesium hydroxide
(D)
Potassium hydroxide
Question-6
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-7
When an ant stings a person, it causes a burning pain. Which of the following should be rubbed on the stung area of skin to get relief?
(A)
Lemon juice
(B)
Baking soda solution
(C)
Vinegar solution
(D)
Formic acid solution
Question-8
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-9
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-10
Which of the following indicators will produce a pink colour on adding a few drops of sodium hydroxide solution?
(A)
Blue litmus
(B)
Phenolphthalein
(C)
Turmeric paper
(D)
China rose indicator
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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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