Question 11 MarkGlass: Mixture of silica and silicate : : Thermocol : ………..AnswerPolystyrene.View full question & answer→
Question 21 MarkLight bulbs, Tubes: Lead glass : : Medicine storing : ………AnswerBorosilicate glassView full question & answer→
Question 31 MarkLens : Optical glass : : Laboratory glassware : ……….AnswerSilica glassView full question & answer→
Question 41 MarkFerrous oxide: Bluish green glass : : Copper oxide : ……..AnswerRed glassView full question & answer→
Question 51 MarkProcessed glass: Fen glass : : Alkali silicate glass : ………..AnswerWater glassView full question & answer→