(C)
2. What are the coefficients of the correctly balanced equation?
?Fe,03 + ?CO-?Fe + ?CO2
(a) 0, 2, 2, 3 (b) 1, 3, 2, 3 (c) 1, 2, 2, 2 (d) 2, 6, 4,3
Directions (Q. Nos. 3-4) In the following questions a statement of Assertion is followed by a
statement of Reason Mark the correct choice as
(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are true but Reason is not the correct explanation o
Assertion
(c) If Assertion is true but Reason is false.
(d) If Reason is true but Assertion is false.
3. Assertion Chemical reaction changes the physical and chemical state of a substance.
Reason When electric current is passed through water (liquid), it decomposes to produ
hydrogen and oxygen gases.
2H2O
2H2 + O2
Electric
current
och element towards react
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