Give reason: Liquid possesses properties such as fluidity, definite volume and ability to take shape of the bottom of the container in which it is placed.

Molecules of liquid are held together by moderately strong intermolecular forces and can move about within the boundary of the liquid. As a result, liquid possesses properties such as fluidity, definite volume and ability to take shape of the bottom of the container in which it is placed.

Give reason: Liquid possesses properties such as fluidity, defini…

Calculate the oxidation number of underlined atoms.
K₂C₂O₄

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Write balanced chemical equations for the following:A 50% solution of sulphuric acid is subjected to electrolyte oxidation and the product is hydrolysed.

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Write the rate equation for the following reactions:
i. $C + O _2 \rightarrow CO _2$
ii. $2 KClO _3 \rightarrow 2 KCl +3 O _2$

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Draw labelled diagrams of the following : Bredig’s arc method

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Write the formula for the following compounds :A. Mercury(II) chloride
B. Thallium(I) sulphate
C. Tin(IV) oxide
D. Chromium(III) oxide

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How many grams does an atom of hydrogen weigh ?

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Give an example of detergent used as:
i. Additive in toothpaste
ii. Used as germicide

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Write the outer electronic configuration of the following using orbital notation method. Justify.
Po (belongs to period 6 and group 16)

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State the rules used to round off a number to the required number of significant figures.

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Write reactions depicting oxidising and reducing action of hydrogen peroxide in acidic medium.

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