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General Knowledge || Quiz-36 || CDS

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Question 1

Which one of the following is a true fish as per the biological system of classification?

Question 2

Consider the following chemical reaction:
aFe2O3(s) + bCO(g) → cFe(s) + dCO2
In the balanced chemical equation of the above, which of the following will be the values of the coefficients a, b, c and d respectively?

Question 3

A person throws an object on a horizontal frictionless plane surface. It is noticed that there are two forces acting on this object – (i) gravitational pull and (ii) normal reaction of the surface. According to the third law of motion, the net resultant force is zero. Which one of the following can be said for the motion of the object?

Question 4

The most ozone gas (about 90%) is located in the atmospheric layer of

Question 5

A person is standing on a frictionless horizontal ground. How can he move by a certain distance on this ground?
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Oct 21CDS & Defence Exams