Gases

Chemistry

Test for Anions

Identification of gases e.g CO2, SO2 and O2. Characteristics test for anions e.g SO42-,SO32-,CO32-,NO-3, Cl–, etc. The anions are negatively change ions examples of anions are SO42-,SO32-,CO32-,S2- etc.   Identification of Gases Gases               identification H2 It gives a ‘pop’ sound when the gas is contact with a lighted splint. O2             It rekindles a glowing …

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Physics

PARTICULATE NATURE OF MATTER

States of matter Matter is anything that occupies space. Matter exists in three states: solids, liquids and gases. Matter can be changed in various ways which includes physical, chemical and nuclear changes. a) Physical changes– they are normally reversible and no new substances formed. Examples are; (i) Change of state such as melting and vaporization …

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