Q. How does common salt help in separating soap from the solution after saponification?

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Q. In vulcanisation, natural rubber is heated with

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Q. Deep blue colour is imparted to glass by the presence of

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Q. Glass is made of the mixture of

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Q. The vast resources of unutilised natural gas can be used in the production of

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Q. Paper is manufactured by

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Q. Gypsum is added to cement clinker to

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Q. Soap is a mixture of sodium or potassium salts of

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Q. The type of glass used in making lenses and prisms is

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Q. Which one of the following is the petroleum wax?

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Q. The Shape of the Andromeda galaxy is

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Q. Which is one of the closest galaxies near Milky Way galaxy

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Q. Distance of Andromeda from Milky Way galaxy is

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Q. Anesthesia was invented in

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Q. The 'Asteroids' that are made up of silicate rocks and clay are known as

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Q. What is the biggest asteroid in the asteroid belt?

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Q. Types of Asteroids on the basis of their composition are

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Q. Thing fall from space and hits the ground is considered as

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Q. Asteroids that are called Chondrites on basis of their composition are also known as

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Q. Ceres, Pallas, Hygeia and Vesta are classified as

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