NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1760 - 1764 of 2028
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Question 1761
Question MCQ▾
Galvanic Cell converts:
Choices
Choice (4) | Response | |
---|---|---|
a. | Mechanical energy into chemical energy | |
b. | Chemical energy into mechanical energy | |
c. | Chemical energy into electric energy | |
d. | Electric energy into chemical energy |
Question 1764
Question MCQ▾
When current passes through the water, due to chemical effect of electric current, water splits into:
Choices
Choice (4) | Response | |
---|---|---|
a. | Positively charge hydrogen ions and negatively charged oxygen ions | |
b. | Hydrogen and oxygen atoms having negative and positive charges respectively | |
c. | Negative charged hydrogen ions and positively charged oxygen ions | |
d. | Hydrogen and oxygen atoms having positive and negative charges respectively |