Cooking gas is mixture of which two gases...? Mcqs

Latest MCQs

Cooking gas is mixture of which two gases...?

(A) Hydrogen and oxygen
(B) Methane and CO2

(C) Methane and oxygen
(D) None of these

Latest MCQs

First controlled fission of an atom was carried out in ________ on 1938....?

(A) U.S
(B) Germany

(C) Russia
(D) U.K

Latest MCQs

The only non metal exists in liquid state is ___________...?

(A) Mercury
(B) Bromine

(C) Phosphorus
(D) Iodine

Latest MCQs

In night, when photosynthesis is stopped, plants__________...?

(A) take in Carbon Dioxide
(B) give off Oxygen

(C) give off Carbon Dioxide
(D) None of these

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AIDS virus is______________________...?

(A) Single-stranded RNA
(B) Single-stranded DNA

(C) Double-stranded RNA
(D) Double-stranded DNA

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Which gas is used to extract energy from food in respiration...?

(A) CO2
(B) N2

(C) O2
(D) H2

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Which ocean is called “Ring of Fire”...?

(A) Indian Ocean
(B) Pacific Ocean

(C) Atlantic Ocean
(D) Antarctic Ocean

Latest MCQs

The moon rotates on its axis in how many days...?

(A) 14.8 days
(B) 17.5 days

(C) 29.7 days
(D) 27.3 days

Latest MCQs

When the wire is disconnected and the bulb is off, this is called...?

(A) Open Circuit
(B) Close Circuit

(C) Short Circuit
(D) Series Circuit

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According to quantum theory of light, photons are _______...?

(A) Waves
(B) Particles

(C) Energy packets
(D) Electromagnetic

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