NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1419 - 1426 of 1483
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Question 1419
Question 1420
Question MCQ▾
What is X in the above reaction?
Choices
Choice (4) | Response | |
---|---|---|
a. | Butanoic acid | |
b. | Propanoic acid | |
c. | Ester | |
d. | None of the above |
Question 1421
Question MCQ▾
Phosphorous pentoxide in mainly used as?
Choices
Choice (4) | Response | |
---|---|---|
a. | Drying agent | |
b. | Reducing agent | |
c. | Hydrating agent | |
d. | Oxidizing agent |
Question 1422
Question MCQ▾
this reaction is an example of … process?
Choices
Choice (4) | Response | |
---|---|---|
a. | Self reduction | |
b. | Calcination | |
c. | Electrolysis | |
d. | Auto reduction |
Question 1423
Question MCQ▾
Which of the following base is more basic?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. | Question does not provide sufficient data or is vague |
Question 1424
Question MCQ▾
Which of the following organic compound present in “Dettol” the antiseptic?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | Phenol | |
d. | Benzene |
Question 1425
Question MCQ▾
Which of the following metal is used as reducing agent in thermite process?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 1426
Question MCQ▾
Which observation is true from the following reactions
Choices
Choice (4) | Response | |
---|---|---|
a. | C is reduced | |
b. | Metal oxide oxidized | |
c. | Metal oxide reduced | |
d. | None of the above |