When copper oxide and dilute hydrochloric acid react, colour changes to
Q. When copper oxide and dilute hydrochloric acid react, colour changes to
- white
- bluish-green
- blue-black
- black
Answer: bluish-green
Take Mock Tests
Government Schemes Mock Test | Start Test! |
Political Science Mock Test – 42 | Start Test |
History Test – 190 | Start Test |
Quantitative Aptitude Test | Start Test! | Data Interpretation - Mock Test | Start Test! |
General Awareness - Mock Test | Start Test! |
Reasoning Ability - Mock Test | Start Test! |