NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1462 - 1469 of 1484
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Question 1462
Question
MCQ▾Methane is used as fuel, because of its property?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | It is odourless | |
b. | It is gas | |
c. | It burns exothermically | |
d. | It has low boiling point | |
Question 1463
Question
MCQ▾Which of the following metal is purified by Mond method?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Nickel | |
b. | Magnesium | |
c. | Aluminium | |
d. | Iron | |
Question 1464
Question
MCQ▾which species is known as Arrhenius base in the above reaction?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||
Question 1465
Question
MCQ▾… is uses as flux in the extraction of iron?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Feldspar | |
b. | Limestone | |
c. | Flint | |
d. | Silica | |
Question 1466
Question
MCQ▾Which of the following product is formed when ethanol reacts with sodium?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Sodium ethanol | |
b. | Sodium ethoxide | |
c. | Sodium ethanoate | |
d. | Sodium acetate | |
Question 1467
Question
MCQ▾Which one of the following equation in the regarding acid strength acid strength (or) equilibrium constant?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||
Question 1468
Question
MCQ▾which substance can acts as basic flux in the above reaction?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||
Question 1469
Question
MCQ▾Which of the following metal is used in manufacture of solder?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Copper | |
b. | Lead | |
c. | Tin | |
d. | Both b. and c. are correct | |