NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 1042 - 1046 of 1058

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Question 1042

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Question

MCQ▾

The chemical name of and oxidation number of Mg is.

Choices

Choice (4)Response

a.

Magnesium phosphite and three

b.

Magnesium phosphotite and three

c.

Magnesium phosphide and two

d.

Magnesium phosphate and two

Question 1043

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Question

MCQ▾

Out of the letters E, T and N, a 3-letter word is formed at random using all the 3 letters. What is the probability that the word formed is TEN?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1044

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Question

MCQ▾

The average score of boys in an examination of a school is 71 and that of the girls is 73. The average score of the school in the examination is 71.8. Then, the ratio of the number of boys to the number of girls appeared in the examination is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1045

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Question

MCQ▾

Consider the following statements

I. Group 3 elements are called pnictogens.

II. Group 16 elements are called halogens.

Which of the above statement (s) is/are correct?

Choices

Choice (4)Response

a.

Neither I nor II

b.

I and II

c.

Only II

d.

Only I

Question 1046

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Question

Match List-Ⅰ List-Ⅱ▾

Match the following

List-Ⅰ (Group I)List-Ⅱ (Group II)

(A)

Alkane

(i)

(B)

Alkene

(ii)

(C)

Halo alkanes

(iii)

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)

a.

  • (iii)
  • (ii)
  • (i)

b.

  • (i)
  • (iii)
  • (ii)

c.

  • (iii)
  • (i)
  • (ii)

d.

All of the above