Which statement is incorrect about chemical reactions...? Mcqs

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Which statement is incorrect about chemical reactions...?

(A) States of matter does not change during chemical reactions
(B) Chemical reactions produce new substances

(C) Chemical reactions occur with the absorption or emission of energy
(D) Chemical reactions may be fast, moderate or slow

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The sky appears blue because the earth’s atmosphere __________...?

(A) Scatters blue light
(B) Reflects blue light

(C) Transmits blue light
(D) Has actual blue cover

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Part of root between epidermis and endodermis called...?

(A) Xylem
(B) Root hair

(C) Phloem
(D) Cortex

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What was the first planet to be discovered using a telescope...?

(A) Uranus
(B) Jupiter

(C) Venus
(D) Mercury

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Which of the following is not a donor atom...?

(A) Phosphorus
(B) Antimony

(C) Arsenic
(D) Aluminum

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2 moles of sodium chloride (NaCl) is equal to...?

(A) 123 grams
(B) 135 grams

(C) 158 grams
(D) 117 grams

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An antibiotic is a drug used to treat infections caused by ...?

(A) Protein
(B) Bacteria

(C) Virus
(D) All of these

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How many meters are in one mile...?

(A) How many meters in one mile?
(B) 1409.34

(C) 1509.34
(D) 1609.34

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__________ is the point in solar system at which pressure from the solar wind is equal to the opposing pressure of the interstellar medium....?

(A) Seliopause
(B) Meliopause

(C) Heliopause
(D) Beliopause

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In the manufacture of banaspati ghee the gas used is __________...?

(A) Helium
(B) Hydrogen

(C) Oxygen
(D) Nitrogen

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