General Knowledge

Science & Technology

Easy

Which statement is incorrect?

Precipitation reactions produce insoluble salts.

Oxidation is the gain of oxygen.

Reactions in which energy is absorbed are known as Exothermic Reactions.

Reduction is the gain of hydrogen.

✅ Correct Option: 3

Reactions that absorb energy from the surroundings are endothermic, not exothermic; exothermic reactions release energy. The other three statements are accurate: precipitation gives insoluble salts, oxidation is gain of oxygen or loss of hydrogen, and reduction is gain of hydrogen or loss of oxygen.

2026: 31 May Shift 2

Put in chronological order the following milestone attempts made in India to launch satellites --

A. PSLV

B. GSLV

C. SLV

D. ASLV

Choose the correct answer from the options given below:

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(B) Audiometer	(II) Measure Intensity of sound
(C) Odometer	(III) For measuring the force and velocity of wind
(D) Anemometer	(IV) Used in vehicles to measure distance

Choose the correct answer from the options given below:

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The gas which is used to make chloroform is

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Bohr model is __________.

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Who is credited with the invention of the first Indian indigenous nuclear reactor?

Which statement is incorrect?

Solution

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