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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Q. Asteroid with icy outer crust and rocky core is

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Q. The closest dwarf planet to the Sun in inner solar system is

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Q. Asteroids that are made up of mixtures of nickel-iron and silicate rocks are known as

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Q. Solar system bodies that are smaller than moon are often termed as

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Q. Name of the brightest Asteroid with rocky composition is

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Q. Thickness of asteroid belt is

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