Class 10

Chemical Reactions and Equations question bank (Science)

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Q1.

Why is the amount of gas collected in one of the test tubes in the image double the amount collected in the other? Name this gas.

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Q2.

Which of the statements about the reaction below are incorrect?
$2 PbO_{(s)} + C_{(s)} \longrightarrow 2 Pb_{(s)} + CO_{2(g)}$
$(a)$ Lead is getting reduced.
$(b)$ Carbon dioxide is getting oxidised.
$(c)$ Carbon is getting oxidised.
$(d)$ Lead oxide is getting reduced.

(A)

$(a)$ and $(b)$

(B)

$(a)$ and $(c)$

(C)

$(a)$,$(b)$ and $(c)$

(D)

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