NDA General Ability 13 April 2025 | Chemistry Question 141 | General Science

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NDA General Ability 13 April 2025

MCQ (Single Correct Answer)

-1.33

Element X forms a chloride with the formula XCl₂, which is a solid with high melting point. X would most likely be in the same group of periodic table as

NDA General Ability 13 April 2025

MCQ (Single Correct Answer)

-1.33

Which one of the following oxides is a neutral oxide?

CO₂

Na₂O

MgO

NDA General Ability 13 April 2025

MCQ (Single Correct Answer)

-1.33

Which one of the following is also known as Dry ice in its solid form?

SiO₂

CO₂

CaO

MgO

NDA General Ability 13 April 2025

MCQ (Single Correct Answer)

-1.33

Which one of the following statements is NOT correct?

A scale measuring hydrogen ion concentration in a solution is called pH scale

The higher the hydrogen ion concentration in a solution, higher is its pH

We can measure pH generally from 0 to 14 on a pH scale

The 'p' in pH stands for 'potenz' in German meaning power

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