Batteries and Cells MCQs

1. Which device commonly uses dry cells?A) RefrigeratorB) TelevisionC) Wall clockD) Air conditionerAnswer: C) Wall clock 2. The chemical energy …

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Fuel Types MCQs

1. Which of the following is a solid fuel?A) PetrolB) LPGC) CoalD) KeroseneAnswer: C) Coal 2. Which fuel is commonly …

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Water Purification Method MCQs

1. Which method is commonly used at home to remove large suspended particles from water?A) DistillationB) FiltrationC) ChlorinationD) FluoridationAnswer: B) …

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Electric Iron MCQs

1. An electric iron works on the principle of:A) Chemical effect of currentB) Heating effect of currentC) Magnetic effect of …

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