Which toxic substance is liquid at room temperature and found in fluorescent light bulbs? Group of answer choicesLeadCadmiumMercury

Which two toxic substances are heavy and malleable?Group of answer choicesAsbestos and DioxinsMercury and BenzenePCB’s and RadonLead and Cadmium

Assertion (A): Tungsten metal is selected for making filaments of incandescent lamp.Reason (R): Tungsten has a high melting point.

Which toxic substance is a clear oily substance often used in electrical transformers?Group of answer choicesPCB’sBenzeneDioxinsRadon

Water pollution is the addition of harmful substances to water. Some of these substances are found at home. What household chemicals might be harmful if not disposed of properly? make it one sentence

Which substance is the poorest conductor of heat?Question response areaSelect one optionnitrogenmercurywatergranite