The solar wind is a stream of charged particles mostly...? Mcqs

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The solar wind is a stream of charged particles mostly...?

(A) protons and electrons; flows out from the sun
(B) electrons; flows out from the sun

(C) protons; flows out from the sun
(D) protons and electrons; revolves around the sun

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The chemical name of Laughing gas is___________...?

(A) Nitric oxide
(B) Nitrogen dioxide

(C) Nitrogen pentoxide
(D) Nitrous oxide

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Bronze is an alloy of ____________...?

(A) Copper and Zinc
(B) Tin and Zinc

(C) Copper and Tin
(D) Iron and Zinc

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Air contains volume of carbon dioxide approximately...?

(A) 3%
(B) 33%

(C) 0.3%
(D) 0.03%

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The electronic device which is used as a switch or amplifier is called ...?

(A) Diode
(B) Resistor

(C) Transistor
(D) Transformer

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The shielding effect across the period _______...?

(A) Increases
(B) Decrease

(C) Moderate
(D) Same

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The Sun produces most of its energy by_____________...?

(A) Nuclear fusion
(B) nuclear fission

(C) Burning hydrogen
(D) None of these

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Interaction between highly electron deficient hydrogen and highly electronegative atom is called...?

(A) Covalent bond
(B) Ionic bond

(C) Hydrogen bond
(D) Metallic bond

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How many bones are in Human Skull...?

(A) 22
(B) 25

(C) 26
(D) None of these

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A ‘breath test’ used by traffic police to check drunken driving uses ____...?

(A) Turmeric on filter paper
(B) Silica gel coated with silver nitrate

(C) potassium permanganate-sulphuric acid
(D) Potassium dichromatic-sulphuric acid

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