Chemistry [NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension]: Questions 124 - 128 of 143
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Question 124
Question MCQ▾
Which of the following is the functional group for carboxylic acids?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 125
Question MCQ▾
Consider the following statements
I. Sulphur is used in making electrodes of dry cells.
II. Carbon is used in the vulcanization of rubber.
Which of the above statements is/are correct?
Choices
Choice (4) | Response | |
---|---|---|
a. | Only II | |
b. | Neither I nor II | |
c. | I and II | |
d. | Only I |
Question 126
Question MCQ▾
A magnetic wire of dipole moment is bent in the form of semi-circle. The new magnetic moment is
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. | None of the above |
Question 127
Question MCQ▾
Consider the following statements.
1. Carbonic acid is a weak acid.
2. Distilled water conduct electricity.
3. Dilute HC1 helps in digestion.
4. NaOH is a strong alkali.
Which of the statement (s) is/are incorrect?
Choices
Choice (4) | Response | |
---|---|---|
a. | Only 3 | |
b. | Only 2 | |
c. | Only 1 | |
d. | 1,2 and 4 |
Question 128
Question MCQ▾
The above reaction is an example of a
Choices
Choice (4) | Response | |
---|---|---|
a. | Decomposition reaction | |
b. | Displacement reaction | |
c. | Combination reaction | |
d. | Double displacement reaction |