NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1451 - 1458 of 1483
Choose Programs:
🎯 1483 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 500.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 1451
Question MCQ▾
Which of the following metal is added to 22 carat gold to make ornaments?
Choices
Choice (4) | Response | |
---|---|---|
a. | Platinum | |
b. | Copper | |
c. | Aluminium | |
d. | Iron |
Question 1452
Question MCQ▾
what is the conjugate base of in the above reaction?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. | Question does not provide sufficient data or is vague |
Question 1453
Question MCQ▾
… gas is evolved when Copper metal is reacted with diluted
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 1454
Question MCQ▾
Which alloy is used to make pressure cooker?
Choices
Choice (4) | Response | |
---|---|---|
a. | Magnesium | |
b. | Alnico | |
c. | Duralumin | |
d. | Nickel Steel |
Question 1455
Question MCQ▾
Sulphur dioxide can act as?
Choices
Choice (4) | Response | |
---|---|---|
a. | Oxidizing agent | |
b. | Reducing agent | |
c. | Bleaching agent | |
d. | All a., b. and c. are correct |
Question 1456
Question MCQ▾
Which of the following order is true regarding acid strength?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 1457
Question MCQ▾
What is the functional group representation for carboxylic acids?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 1458
Question MCQ▾
Which of the following is also known as “Carbinol” ?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |