21. The combined gas law relates which of the following?
22. The primary agent of contact metamorphism is
23. For accurate scientific work, temperatures are often measured by
24. In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch?
25. When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together?
26. A real gas can act as an ideal gas in
27. The instrument that measures and records the relative humidity of air is
28. If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated?
29. The value of coefficient of restitution in perfectly elastic collision is
30. Which of the following device is best suited for measuring the temperature inside metallurgical furnaces?
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