Question 11 Mark Diamond is insoluble in all solvents.AnswerTrue. Diamond is insoluble in all solvents.View full question & answer→
Question 21 MarkWrite true or false Graphite has layers of hexagonal carbon bondings.AnswerTrue Graphite has layers of hexagonal carbon bondings.View full question & answer→
Question 31 MarkWrite true or false Coloured diamonds are costlier than colourless and transparent diamondsAnswerFalse Coloured diamonds are cheaper than colourless and transparent diamondsView full question & answer→
Question 41 MarkWrite true or false Graphite is the purest form of carbon.AnswerFalse Diamond is the purest form of carbon.View full question & answer→
Question 51 MarkWrite true or false Carbon constitues $0.03\%$ of the earth’s crust.AnswerTrue Carbon constitues $0.03\%$ of the earth’s crust.View full question & answer→
Question 61 MarkWrite ‘true’ or ‘false’ against the following statement : Coal gas is used in the preparation of artificial ferilizers.AnswerFalse.View full question & answer→
Question 71 MarkWrite ‘true’ or ‘false’ against the following statement : Wood charcoal is an important constituent of gun powder.AnswerTrueView full question & answer→
Question 81 MarkWrite ‘true’ or ‘false’ against the following statement : Activated charcoal is a good conductor of electricity.AnswerFalseView full question & answer→
Question 91 MarkWrite ‘true’ or ‘false’ against the following statement : Coke is obtained by destructive distillation of sugar.AnswerFalseView full question & answer→
Question 101 MarkWrite ‘True’ Or ‘False’ Against the Following Statement : Charcoal is a good adsorbent.AnswerTrueView full question & answer→