The yellow colour in photochemical smog is due to the presence of____________...? Mcqs

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The yellow colour in photochemical smog is due to the presence of____________...?

(A) Sulphur dioxide
(B) Carbon dioxide

(C) Nitrogen dioxide
(D) CFC’s

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If the container of enclosed gas heated, what will happen inside the container...?

(A) Pressure will be increased
(B) Pressure will be decreased

(C) Pressure will remain constant
(D) Volume will be increased

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Which type of bond is formed between H₂O molecules...?

(A) Hydrogen bond
(B) Ionic bond

(C) Covalent bond
(D) All of these

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What is the name of newsly discovered galaxy which may be the earliest and most distant galaxy ever discovered in April 2022...?

(A) HD1
(B) GN-z11

(C) Milky way
(D) None of these

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‘Black holes’ refers to_______________...?

(A) Holes occurring in heavenly bodies
(B) Bright spots on the sun

(C) Collapsing object of high density
(D) Collapsing object of low density

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What is the name of bacteria that causes Lyme Disease....?

(A) Escherichia Coli
(B) Staphylococus aureus

(C) Borrelia burgdorferi
(D) None of these

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Heat exchanger tubes are never made of:...?

(A) Plain Carbon Steel
(B) Stainless Steel

(C) Lead
(D) Copper

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Which gas does a Photocopier machine produce...?

(A) Ozone
(B) carbon dioxide

(C) Sulfur dioxide
(D) None of these

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All forms of energy that we use are ultimately transformed into__________...?

(A) Electrical Energy
(B) Heat Energy

(C) Light Energy
(D) Chemical Energy

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Stars in the sky appear to twinkle due to _________...?

(A) a series of refractions
(B) a series of reflections

(C) a surface tension phenomenon
(D) multiple diminishing brightness

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