MCQ 11 MarkWhich of the following is a chemical change?Atearing a paperBmilk changing to curdCmelting of iceDmelting of waxAnswerselfView full question & answer→
MCQ 21 MarkWhich of the following forms a separate layer above water?AmilkBglycerineCalcoholDoilAnswerselfView full question & answer→
MCQ 31 MarkWhich of the following is insoluble in water?AsugarBsandCsaltDmilkAnswerselfView full question & answer→
MCQ 41 MarkWhich of the following has no fixed shape but has a definite volume?AmilkBballCchalkDsandAnswerselfView full question & answer→
MCQ 51 MarkHow many kinds of elements are known to human beings?A$170$B$177$✓$118$D$77$AnswerCorrect option: C. $118$View full question & answer→