Question2. State true or false. (10x1=10)4. Nucleus is negatively charged.
5. Proton is discovered by E.Goldstein.
6. The chemical formula of carbon monoxide is CO
7. Alloy is the mixture of two or more elements.
8. Mercury is only solid metal.
9. Bromine is liquid metal.
10. Gases do not show diffusion.
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4. False, because nucleus is positively charged.
5. False, proton is discovered by ernest rutherford.
6. True
7. True
8. False , mercury is only liquid metal at room temperature.
9. False , Bromide is only liquid non-metal.
10. False, gases shows diffusion but solids does not show diffusion.
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