Subject :NSO Class : Class 2
Subject :NSO Class : Class 7
Ans 3:
Class : Class 8
The uses of ammonium hydroxide are as follows -
To manufacture fertilizers like ammonium sulphate
To manufacture rayon, dyes, etc.
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Subject :NSO Class : Class 7
Ans 1:
Class : Class 8
Neutralisation is the process of adding base to an acid whereas galvanisation is the process of coating a layer of zinc on iron.
Ans 2:
Class : Class 9
neutralisation is when an acid reacts with a base to form a salt and H2O and some heat is liberated
galvanisation is when you add a layer of zinc upon iron so that it does not rust
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 7
Ans 2:
Class : Class 9
potense of hydrogen or power of hydrogen is basically a test used to determine strengh of a acid or a base.
Ans 7:
Class : Class 10
pH means power of hydrogen/ povouir hydrogen, means concentration of hydrogen ions in an aqueous solution.So it is used to identify whether a substance is acid,base or neutral.
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Subject :NSO Class : Class 7
Ans 4:
Class : Class 8
Alkalies are the bases that are soluble in water.Some bases are not soluble in water they are not called alkalies
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Subject :NSO Class : Class 7
Ans 2:
Class : Class 7
so i hope you know what a mixture is. well a mixture a mixture is two or more elements or compounds mixed together but not chemically combined are called mixtures . they can be easily seperated. example: air is mixture of gases like nitrogen oxygen etc. now a heterogenious mixture is a mixture that composes of components that are not uniform and have totally different properties. i hope this answer helps.
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 2