Class 7 Science Online Tests
What is Element MCQ (Multiple Choice Questions) PDF Download
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What is Element MCQs: Questions and Answers PDF Download
The elements that are named after famous scientists, are
- Curium
- Einsteinium
- Mendelevium
- all of above
"Cu" is symbol of
- copper
- cobalt
- curium
- carbon
A substance which cannot be broken into further simpler substance by any chemical reaction is called
- element
- compound
- mixture
- solution
A process by which new substance is formed, is called
- chemical symbol
- chemical formula
- chemical property
- chemical reaction
A molecule which breaks and gives of hydrogen and oxygen is
- water
- carbon dioxide
- air
- sodium chloride
Class 7 Science Practice Tests
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