Chemistry Fsc Part 1 Chapter 10 Online Test With Answers

image
image
image

Chemistry Fsc Part 1 Chapter 10 Online Test

Sr. # Questions Answers Choice
1 When a non-spontaneous redox reaction is carried out by using the electrical current, then the process is called Decomposition of the substances Cracking Hydrolysis Electroiysis
2 That cell in which electrical energy is converted into chemical energy is called Galvanic cell Electrolytic cell Fuel cell Daniel cell
3 Electrolysis is a process in which a chemical reaction takes place at the expense of Chemical energy Electrical energy Heat energy None of these
4 During the electrolysis of molten NaCI, the ion which is reduce is
5 The best reducing agent is F<sup>-1</sup> CI<sup>-1</sup> Br<sup>-1 </sup> I<sup>-1</sup>
6 According to classical concept, oxidation involves Addition of oxygen Addition of electron Removal of hydrogen All are correct
7 Fe is reduced Fe is oxidized CI<sub>2</sub>is oxidized None of these
8 Oxidation number of carbon in NaHCO3 +4 -6 +6 +2
9 If a strip of Cu metal is placed in a solution of FeSO4 Cu will be precipitated out Fe is precipitated out Cu and Fe both dissolve No reaction takes place
10 If the salt bridge is not used between two half cells, then the voltage Decreases rapidly Decreases slowly Does not change Drops to zero
11 Stronger the oxidizing agent, greater is the oxidation potential Reduction potential Redox potential E.M.F of cell
12 Which of the following statements is correct about galvanic cell Anode is negative charged Reduction occurs at anode Cathode is positively charged Reduction occurs at cathode
13 The cathodic reaction in the electrolysis of dill. H2SO4with Pt electrodes is Reduction Oxidation Both oxidation and reduction Neither oxidation nor reduction
Download This Set