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Question 1
Fill in the blanks:
Oxidation is ____ and reduction is ____ of electrons.
Question 2
In which type of chemical reaction, the valency of the element increases?
Question 3
Which of the given is an example of a compound?
Question 4
Why are the displacement reactions of Cl, Br, I using fluorine not generally carried out in aqueous solution?
Question 5
Elemental ________ is said to be the strongest oxidizing agent.
Question 6
What is the reducing agent in the below-given reaction?
Fe2O3 + 3CO → 2Fe + 3CO2
Question 7
Identify the oxidation number of manganese in K2MnO4.
Question 8
What conclusions do you get from the oxidation-reduction reaction mentioned below?
Question 9
In thermal power stations, carbon atoms undergo oxidation to form ____.
Question 10
Choose the reducing agent in the following reaction:
Hg + HgCl2→ Hg2Cl2
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