NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1401 - 1408 of 1483
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Question 1401
Question MCQ▾
The maximum ionization enthalpy in a period is shown by?
Choices
Choice (4) | Response | |
---|---|---|
a. | Chalcogens | |
b. | Halogens | |
c. | Inert gases | |
d. | Alkali metal |
Question 1402
Question MCQ▾
The electronegativity of are in the order of?
Choices
Choice (4) | Response | |
---|---|---|
a. | N > Si > C > P | |
b. | Si < P < C < N | |
c. | Si > P > C > N | |
d. | P > N > Si > C |
Question 1403
Question MCQ▾
An element of atomic number 29 belongs to?
Choices
Choice (4) | Response | |
---|---|---|
a. | p block | |
b. | d block | |
c. | f block | |
d. | s block |
Question 1404
Question MCQ▾
The order of screening effect of the electrons of s, p, d and f orbitals of given shell of an atom on its outer shell electron is?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 1405
Question MCQ▾
Which of the following substance reduces a compound?
Choices
Choice (4) | Response | |
---|---|---|
a. | A dehydrating agent | |
b. | A hydrating agent | |
c. | A reducing agent | |
d. | An oxidizing agent |
Question 1406
Question MCQ▾
Which of the following solution is non-conductor of electricity?
Choices
Choice (4) | Response | |
---|---|---|
a. | Alcohol | |
b. | Glucose | |
c. | Sulphuric acid | |
d. | Both a. and b. are correct |
Question 1407
Question MCQ▾
Which of the following substances is known a n oxidizing agent?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. | None of the above |
Question 1408
Question MCQ▾
… is a strong acid?
Choices
Choice (4) | Response | |
---|---|---|
a. | Lactic acid | |
b. | Ascorbic acid | |
c. | Sulphuric acid | |
d. | Formic acid |