Where is the World Health Organisation situated? World Health Organization The World Health Organization (WHO) is headquartered in Geneva, Switzerland. Geneva is a city located in the western part of
Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain. Reason Behind Electricians Wearing Gloves During Repaire When repairing an electrical switch at your
Give a reason why Sodium and potassium are stored in kerosene. Reason for Storing Sodium and Potassium in Kerosene These elements are highly reactive in the atmosphere and can catch
Plaster of Paris should be stored in a moisture-proof container. Explain why? Why Store Plaster of Paris Dry? Plaster of Paris is chemically calcium sulfate. So when it comes in
Explain why the planets do not twinkle, but the stars twinkle. Why Stars Twinkle but Planets Don’t The twinkling of stars is a phenomenon observed due to atmospheric refraction. The
Why doesn’t our stomach get digested? Why the Stomach Doesn’t Digest Itself Every day, we eat food to survive. Sometimes, we eat food to satisfy our taste. But whatever we
Why do we need to wear mouthguards for certain sports? Why is Wearing A Mouthguard Necessary For Some Sports There are a few key reasons why mouthguards are recommended or
Why is respiration considered an exothermic reaction? Respiration Considered An Exothermic Reaction A chemical reaction that releases energy either in the form of heat or light is scientifically termed an
A milkman adds a very small amount of baking soda to fresh milk. Why? Why Milkman Adds Baking Soda A milkman adds a very small quantity of baking soda to
Why do we need to pedal a bicycle to move forward? Why is Pedaling Necessary To Make A Bicycle Move Forward The reason we need to pedal a bicycle to