Class 9 Practical questions
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[iphorm id=”7″ name=”doubt form”] Define sublimation. Which type of mixtures are separated by this technique ? A teacher told three students A, B and C to prepare 25% solution (mass by volume) of KOH. Student A dissolved 25g of KOH in 100g of water, student B dissolved 25g of KOH in 100 ml of water
Class 9 SA1 2015 Chemistry Important Questions Read More »