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Start learning 50% faster. Sign in nowDiamonds sparkle because of the total internal reflection of light. Diamonds have a very high refractive index, meaning they slow light down much more than glass; and if cut in the right manner, the angles of incidence can be made so that light seems to get 'trapped' within the diamond giving it it's sparkly appearance.
Naphthalene balls, commonly used as a pest repellent, are derived from which source?
Metallurgy is the process of:
When chlorination of dry slaked lime takes place, _________ will form as the main product.
Which element is commonly used in nuclear reactors for producing electricity by nuclear fission?
Which type of bond is formed by the sharing of electrons?
Which base is present in soap?
The anode of the lead-storage battery is made up of which of the following metal?
The word “acid” comes from a ________ word.
The SI unit of mechanical energy is
Water is a good solvent of ionic salts because -
