How many neutrons in hydrogen:...? Mcqs

Latest MCQs

How many neutrons in hydrogen:...?

(A) O
(B) 1

(C) 2
(D) 3

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Latest MCQs

Which gas can be ventilated buildings accumulated in poorly...?

(A) Xenon
(B) Hydrogen

(C) Radon
(D) Helium

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Latest MCQs

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

(A) Methane & Carbon dioxide
(B) Oxygen & Nitrogen

(C) Butane & Propane
(D) Oxygen & Methane

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Latest MCQs

Which is the oldest freezing method:...?

(A) Contact freezing
(B) Flash freezing

(C) Brine freezing
(D) None of these

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Latest MCQs

What is a mixture of potassium nitrate Charcoal and Sulphur called...?

(A) Paint
(B) Aluminum

(C) Brass
(D) Gunpowder

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Latest MCQs

Vaccination was discovered by...?

(A) Galileo
(B) Edward Jenner

(C) Baird
(D) Roentgen

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Latest MCQs

How many neutrons are in hydrogen...?

(A) 0
(B) 1

(C) 2
(D) 3

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Latest MCQs

Ascorbic acid is...?

(A) Vitamin A
(B) Vitamin C

(C) Vitamin D
(D) non of these

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Latest MCQs

Which metal is found in liquid state at room temperature?...?

(A) Iron
(B) Zinc

(C) Aluminum
(D) Mercury

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Latest MCQs

The freezing point of water on a centigrade scale is...?

(A) 0°C
(B) 1°C

(C) -1°C
(D) 5°C

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