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General Knowledge - Science

(181 Posts)

This thread is dedicated to preparation for Science section of General Knowledge. You may share questions related to topics like Space and Astronomy, Agriculture, General Science and Scientific facts, Physics, Chemistry, General Biology, Computer Aptitude etc.

Question should not exceed 100 characters.Use add options for multiple choice questions and "Uploadimage/Add related data" for passage text papers.
Question should be at least 10 characters long.
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D
Posted on Mar 29, 2019 4:05 PM

Smog is a common pollutant in places having a higher concentration of

 
sulphur dioxide
ammonia
nitrogen
oxygen
Please type your answer before submitting.

Smog- noun_fog or haze intensified by smoke or other atmospheric pollutants.

D
Posted on Mar 29, 2019 3:53 PM

Cinnabar is ore of

 
Ng
Cu
Pb
Zn
Please type your answer before submitting.

Pb is the chemical symbol for the element lead.

D
Posted on Mar 27, 2019 9:14 AM

Hydrometer is an instrument

 
for measuring sound under water
to detect the presence of hydrogen in the atmosphere
for measuring the specific gravity of liquids
to detect the changes in atmosphere humidity
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Buoyancy (also known as the buoyant force) is the force exerted on an object that is wholly or partly immersed in a fluid.

D
Posted on Mar 27, 2019 9:11 AM

An electric motor converts

 
chemical energy into electrical energy
electrical energy into mechanical energy
electrical energy into light energy
electrical energy into chemical energy
Please type your answer before submitting.

Axle- noun_a rod or spindle (either fixed or rotating) passing through the centre of a wheel or group of wheels.

Mayank
Shared from GK Science Test - 39 on Feb 18, 2019 11:37 AM

EEG is an instrument used for diagnosing problems relating to

 
heart
brain
bones
nerves
Please type your answer before submitting.

It is used for heart test.