Galvanized iron sheets have on the coating of...? Mcqs

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Galvanized iron sheets have on the coating of...?

(A) Lead
(B) Chromium

(C) Tin
(D) Zinc

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Examples of magnetic materials are_______...?

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

(C) Earth
(D) All of these

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It is not advisable to sleep under a tree at night because of the release of:...?

(A) more oxygen
(B) less oxygen

(C) Carbon dioxide
(D) Carbon monoxide

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Which of the following metals is not only magnetic but also radioactive...?

(A) Thorium
(B) Aluminum

(C) Iron
(D) None of these

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What is the temperature of “Liquid Nitrogen”...?

(A) 0 °C
(B) 37 °C

(C) – 196 °C
(D) None of these

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Diamond is an allotropic form of:...?

(A) Germanium
(B) Carbon

(C) Silicon
(D) Sulphur

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Hypothermia is caused by exposure to...?

(A) Extreme Cold
(B) Extreme Heat

(C) Excessive radiation
(D) None of these

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The gases used in different types of welding would include:...?

(A) Oxygen and hydrogen
(B) Oxygen, hydrogen, acetylene and nitrogen

(C) Oxygen, acetylene and argon
(D) Oxygen and acetylene

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What is the first element in the periodic table?...?

(A) Hydrogen
(B) Helium

(C) Nitrogen
(D) Carbon

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

(A) Ammonia
(B) Hydrogen

(C) Nitrogen
(D) Carbon Dioxide

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