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How to prepare hydrogen
Hydrogen can be prepared from a dilute acid, like as hydrochloric or sulphuric, when it is chemically reacted with a metal like as zinc. The acid may be secured from a drug store.
The Fume Cupboard : If a reaction uses or produces harmful gases, dusts or vapours, it poses a risk of inhalation. Such reactions should be carried out not on an open bench but in
INTRODUCTION : In this activity, your Counsellor will perform some experiments illustrating the principles behind some of the disposal procedures. These principles are given below
1. What is the Solar Neutrino problem, and what are the possible resolutions of it? Which of these resolutions is now believed to be the most likely explanation? 2.What is the m
Method of science: We have seen above that science is an enaeavour to understand nature and to mould it to satisfy human needs. In earlier units we have seen that, in this pr
Sucrose is a non-reducing Sugar while Maltose and Lactose are reducing due to the presence of free Aldehydic Functional Group in them. In SUgar the Aldehydic Group of both Glucos
Define Fats - Nutritional Components Once the body stops eating, it begins to live on its fat. Fat storing depots 'adipocytes' are located in the different parts of the body. I
how to prevent skin problems?
what is global warming?
Explain the Radioactive Red Blood Cells In order to make red blood cells radioactive, tagging of red blood cells with radioactive chromium ( 51 cr) is done. A small quantity of
Q. List the methods of oil extraction? The methods of oil extraction are: (i) traditional method (ghani); (ii) improved methods, such as hydraulic pressing, screw pressing, pre
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