اوزون لیئر کو سب سے ذیادہ نقصان کون سا مادہ کرتا ہے۔۔۔؟ Mcqs

Latest MCQs

اوزون لیئر کو سب سے ذیادہ نقصان کون سا مادہ کرتا ہے۔۔۔؟

(A) سلفر
(B) زنگ

(C) ہائیڈروجن
(D) کاربن

Latest MCQs

The pH of milk is...?

(A) 6
(B) 6 point 7

(C) 7
(D) 7 point 5

Latest MCQs

The element required for solar energy conversion is:...?

(A) Silicon
(B) Germanium

(C) Uranium
(D) None of these

Latest MCQs

The most brightest planet is ______...?

(A) Sun
(B) Mercury

(C) Venus
(D) None of these

Latest MCQs

Which gas is used to make soda water...?

(A) Ammonia
(B) Hydrogen

(C) Nitrogen
(D) Carbon Dioxide

Latest MCQs

Examples of magnetic materials are_______...?

(A) Iron, Nickel and Cobalt
(B) Gold, Aluminum and Copper

(C) Earth
(D) All of these

Latest MCQs

Cooking gas is also called...?

(A) Butane
(B) Hexane

(C) Propane
(D) LPG

Latest MCQs

When a gas turns into a liquid the process is called:...?

(A) Condensation
(B) Evaporation

(C) Deposition
(D) Sulimation

Latest MCQs

Which gas is known as laughing gas...?

(A) Nitrous oxide N2O
(B) Nitrogen

(C) Methane
(D) None of these

Latest MCQs

Which is the first element depicted on the Periodic Table...?

(A) Hydrogen
(B) Aluminum

(C) Oxygen
(D) Gold

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