Question 11 MarkAn appliance used to keep hot liquids hot and cold liquids cold is called a ______________Answerthermo, flaskView full question & answer→
Question 21 MarkHeat transfer by convection is possible in __________ only.AnswerfluidsView full question & answer→
Question 31 MarkBlack objects are good ___________ of heat.AnswerabsorbersView full question & answer→
Question 41 MarkThe process during which a liquid changes to its solid state is known as ___________ or ___________Answerfreezing, solidificationView full question & answer→
Question 51 MarkTransfer of heat between two molecules without their actual movement is called _____________AnswerconductionView full question & answer→
Question 61 Mark___________ is the measurement of the degree of hotness or coldness of a body.AnswerTemperatureView full question & answer→
Question 71 MarkSubstances that catch fire easily are called ___________ substances.AnswerinflammableView full question & answer→
Question 81 MarkThe reverse process of evaporation is called ___________AnswercondensationView full question & answer→
Question 91 MarkFor a given substance, the boiling point of its liquid state and the ___________ point of its gaseous state are same.AnswercondensationView full question & answer→
Question 101 MarkWater changes into steam at ________ on heating.Answer100 °CView full question & answer→
Question 111 MarkLiquids _________ more than solids on heating.AnswerexpandView full question & answer→
Question 121 MarkThe expansion produced in matter due to the absorption of heat is known as ___________ expansion.AnswerthermalView full question & answer→