Statement I Glass is not considered as a true compound.
Statement II Glass does not have a definite melting point.
Statement II Glass does not have a definite melting point.
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Chemistry GK · all questionsState of Matter
State of Matter
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The gas used in a refrigerator is
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Glasses and plastics are
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Which one of the following is not true for the form of carbon known as diamond?
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The process of change from liquid to gas is called . . . . . . . .
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Amorphous materials are in fact considered as
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Name the law in Physics which states that equal volume of all gases under the same conditions of temperature and pressure contain equal number of molecules.
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At very low temperature, oxygen O2, freezes and forms a crystalline solid, which term best describes the solids?
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The mass of water vapour per unit volume of air is known as
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Silica in amorphous form is used in
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A liquid is kept in a glass beaker. Which one of the following statement is correct regarding the pressure exerted by the liquid column at the base of the beaker?
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The substance which does not expand on going from liquid state to solid state is
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At absolute zero, which one of the following is zero for a gas?
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Very small insoluble particles in a liquid may be separated it by using
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Lowering the atmospheric pressure on a liquid
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Quartz is extensively used as a piezo-electric material. It contains
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An ideal gas is one which obeys
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Which one of the following could be the melting point of iron?
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Consider the following statements.
1. The rate of diffusion of liquids is higher than that of solids.
2. In the liquid state, particles move freely and have greater space between each other as compared to particles in the solid state.
Which of the statement(s) given above is/are correct.
1. The rate of diffusion of liquids is higher than that of solids.
2. In the liquid state, particles move freely and have greater space between each other as compared to particles in the solid state.
Which of the statement(s) given above is/are correct.
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Ammonia (NH3) obtained from different sources always has same proportion of nitrogen and hydrogen. It proves the validity of law of
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