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Air expands when heated
To show that air expands when heated, fit an electric light bulb flask or a bottle with a single- whole stopper or cork which has a 30-cm length of glass tubing or a soda straw by it. Place the end of the tube in a small bottle of water. Heat the flask and view what happens. Heat the flask until a considerable amount of air has been separated and then cool the flask by pouring cold water over it or by rubbing with a piece of ice.
Describe the factors which decide the broad area of scientific activity?
what is an easy way to learn everything about photosynthesis?
Question 1: (a) Enumerate the five safety rules that you must observe at all times during boarding (b) Show the six elements of a GAR model of risk assessment. (c) What
Let us recall briefly what all we have learnt about fire hazards in this unit. Fire accident can happen due .to a number of reasons, like, flammable liquids, faulty electrical and
What are covalent bonds? Covalent bonds are those in which electrons are shared by the atoms, and this sharing results in an attraction between the atoms to form a molecule. A
what is the weigt on earth of an object that has a mass of 22 kg?
Which describes granite and basalt
least atomic volume
Nuclear Fission: Splitting the Atom You know that atoms are made up of a nucleus and electrons moving around the nucleus, and the nucleus is made up of protons and neutron
basic steps in callus culture
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