which of the following statement is true about solid - solid material?
A. it compossed veriety of substances and can be easily distinguished from each other B. it is compossed of solid and a liquid C. it compossed if same appearance D. it compossed of solid and gas
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ISI mark registration is mandatory for all the certifying products sold in India. The mark is meant for better quality and safety of the products. The Products having ISI indicate that products are in compliance with the Indian standard quality.
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it compossed if same appearance
it compossed veriety of substances and can be easily distinguished from each other
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