NDA General Ability 21 April 2024 | Chemistry Question 153 | General Science

General Science

Physics

MCQ (Single Correct Answer)

Chemistry

MCQ (Single Correct Answer)

Biology

MCQ (Single Correct Answer)

Previous Next

NDA General Ability 21 April 2024

MCQ (Single Correct Answer)

-1.33

The relative atomic mass of boron (which exists in two isotopic forms ¹⁰B and ¹¹B) is 10.81. What will be the abundance of ¹⁰B and ¹¹B, respectively (consider a sample of 100 atoms)?

19% and 81%

81% and 19%

38% and 62%

62% and 38%

NDA General Ability 21 April 2024

MCQ (Single Correct Answer)

-1.33

Which among the following are essential constituents of Portland cement?

Sand, lime, clay

Silica, alumina, lime

Silica, lime, graphite powder

Sand, graphene, clay

NDA General Ability 21 April 2024

MCQ (Single Correct Answer)

-1.33

Litmus, a well-known acid-base indicator, is derived from :

Fungi

Lichens

Bacteria

Termite

NDA General Ability 21 April 2024

MCQ (Single Correct Answer)

-1.33

What is the oxidation state of Vanadium in $V_2O_5$?

Previous Next

Questions Asked from Marks 4

NDA General Ability 13 April 2025 (13) NDA General Ability 21 April 2024 (14) NDA General Ability 3 September 2023 (19) NDA General Ability 16 April 2023 (16) NDA General Ability 4 September 2022 (13) NDA General Ability 10 April 2022 (15) NDA General Ability 18 April 2021 (15)