EASY
NDA & NA EE
IMPORTANT
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Which one of the following metals does not react with cold water?

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Important Questions on Physical and Chemical Changes

EASY
NDA & NA EE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 1 - Physical and Chemical Changes>NDA & NA EE 2019 Paper 1 General Ability Test>Q 4
Which one of the following could be the melting point of iron?
EASY
NDA & NA EE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 1 - Physical and Chemical Changes>NDA & NA EE 2019 Paper 1 General Ability Test>Q 5
On exposure to moist air, copper gains a green coat on its surface due to the formation of which one of the following compounds?
EASY
NDA & NA EE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 1 - Physical and Chemical Changes>NDA & NA EE 2019 Paper 1 General Ability Test>Q 6
Which one of the following will not produce carbon dioxide on reacting with an aqueous solution of hydrochloric acid?