📘 Chemical Reactions📚 Misc

Q1

Let there be an object having some chemicals in it. It starts moving with a uniform velocity v and a chemical reaction starts happening. In this case, which of the following statement(s) is/are correct? 1. Chemical reactions happening in the system cannot change the velocity (v) of the centre of mass of the object. 2. Chemical reactions happening in the system cannot change kinetic energy of the particles inside with respect to the centre of mass of object. Select the correct answer using the code given below:

🎯 NDA 2019 (II)

📘 Oxidation and Reduction📚 Oxidation

Q2

Which one of the following compounds does not exhibit a different oxidation number of the same element?

🎯 NDA 2019 (II)

📘 Physical States of Matter and Their properties📚 Misc

Q3

Which one of the following statements about glass is not correct?

🎯 NDA 2019 (II)

📘 Phase Changing Processes and Their Factors📚 Boiling or Vaporization

Q4

Which one of the following statements is correct?

🎯 NDA 2019 (II)

📘 Carbon Allotropes📚 Carbon Allotrope (Crystalline)

Q5

Which one of the following statements about diamond and graphite is not correct?

🎯 NDA 2019 (II)

📘 Important Chemical Compounds📚 Misc

Q6

The raw materials used for the manufacture of Portland cement are

🎯 NDA 2019 (II)

📘 Water📚 Misc

Q7

Which one of the following statements about water is not true?

🎯 NDA 2019 (II)

📘 Chemistry in Everyday Life📚 Cleansing Agents (Soaps and Detergents)

Q8

A sample of 'soft soap' contains

🎯 NDA 2019 (II)

📘 Acids, Bases and Salts📚 Types of Salts -Acidic, Basic, etc.

Q9

Which one of the following does not represent the salt, calcium carbonate?

🎯 NDA 2019 (II)

📘 Classification of Matter on the basis of Chemical Properties- I📚 Mixture (Impure substance)- Homogeneous and Heterogeneous

Q10

Which one of the following substances is not a mixture?

🎯 NDA 2019 (II)

📘 Important Chemical Compounds📚 Misc

Q11

Which one of the following is termed as 'dry ice'?

🎯 NDA 2019 (II)

📘 Solution📚 Misc

Q12

Net movement of water from a dilute to a concentrated solution through a selectively permeable membrane is called

🎯 NDA 2019 (II)

📘 Atomic Models📚 Cathode Ray Experiment

Q13

Which one of the following statements regarding cathode rays is not correct?

🎯 NDA 2019 (II)

📘 Important Chemical Compounds📚 Misc

Q14

A very large volume of hydrogen can be accommodated by making

🎯 NDA 2019 (II)

📘 Atomicity📚 Monoatomic

Q15

Which one of the following is not a monoatomic element?

🎯 NDA 2019 (II)

📘 Electrochemistry📚 Electrode Potential

Q16

Which one of the following represents the correct order of electron releasing tendency of metals?

🎯 NDA 2019 (II)

📘 Bond Parameters📚 Bond Enthalpy or Energy

Q17

Which one of the following energy is stored in the links between the atoms?

🎯 NDA 2019 (I)

📘 Radioactivity📚 Applications of Radioactivity

Q18

Which one of the following minerals is used as a fuel in nuclear power stations?

🎯 NDA 2019 (I)

📘 Chemistry in Everyday Life📚 Cleansing Agents (Soaps and Detergents)

Q19

Which one of the following is not a synthetic detergent?

🎯 NDA 2019 (I)

📘 Chemistry in Everyday Life📚 Common Gases used in daily life (LPG, CNG, etc.)

Q20

Which one of the following is an example of a clean fuel?

🎯 NDA 2019 (I)

Chemistry - MOST IMPORTANT NDA Previous Year Questions