Q1021
Open questionThe combined gas law relates which of the following?
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Q1022
Open questionThe primary agent of contact metamorphism is
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Q1023
Open questionFor accurate scientific work, temperatures are often measured by
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Q1024
Open questionIn heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch?
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Q1025
Open questionWhen two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together?
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Q1026
Open questionA real gas can act as an ideal gas in
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Q1027
Open questionThe instrument that measures and records the relative humidity of air is
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Q1028
Open questionIf there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated?
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Q1029
Open questionThe value of coefficient of restitution in perfectly elastic collision is
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Q1030
Open questionWhich of the following device is best suited for measuring the temperature inside metallurgical furnaces?
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Q1031
Open questionSupercooling is cooling of liquid ________
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Q1032
Open questionLiquids and gases never show
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Q1033
Open questionA circular plate, a cube and a sphere, all made up of same material and having the same
mass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling?
mass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling?
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Q1034
Open questionThe humidity of the air depends upon
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Q1035
Open questionIn a freezer ice cubes will be formed more quickly in trays made of
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Q1036
Open questionThe ''four stroke petrol engine' is based on
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Q1037
Open questionThe spring balance works on the principle of ________ .
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Q1038
Open questionA metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ?
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Q1039
Open questionAir is said to be saturated when
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Q1040
Open questionAt constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature. It is the statement of
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