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Everyday Science MCQs — Test 100

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Question 1
The source of the Sun’s energy is the process of ____________?
Question 2
The audio signals of TV are _____________?
Question 3
The owl can see most clearly in total darkness because:
Question 4
A photostat machine works on _____________?
Question 5
To measure the speed of an approaching car a police officer shines?
Question 6
Rainbow is seen after rain because of hanging molecules of water which act as __________?
Question 7
Main use of salt in diet is to : ___________?
Question 8
Black foot disease is caused by the pollution of groundwater as a consequence of increased seepage of:__________?
Question 9
pH value of water is _________?
Question 10
pH value of Blood or Red Blood Cells ?