what are the five kinds of compound statements

Avogadro's law states that 'under similar conditions of temperature and pressure, equal volumes of all gases contain equal number of molecules'. For example, if equal volumes of different gases like hydrogen, oxygen and chlorine are held in separate containers under similar conditions of temperatu..

If two or more statements are combined by the use of words like 'AND', 'OR', 'IF AND ONLY IF ', then the resulting statement is called a compound statement. A table is indicating the truth values of one or more statements is called a truth tab..

Normally propositions are joined by 'OR', 'AND', 'NOT', 'IF .. THEN..' and 'IF AND ONLY IF' called the logical connectives . They are symbolised as follows: If two or more statements are combined by the use of words like 'AND', 'OR', 'IF AND ONLY IF ', then the resulting statemen..

The Various Kinds of Metals - The Various Kinds of Metals are as shown belo..

Two Kinds of Electric Charges - You can electrify a glass rod by rubbing it with silk. Suspend such an electrified rod by a silk thread as shown in figure. If you bring another glass rod electrified in the same manner, you will notice that the rods repel each othe..

Carbon has a variable valency of 2 and 4, and as a result, produces two important kinds of oxides namely carbon monoxide and carbon dioxide. Both these oxides are gases at room temperatur..

Nitrogen combines with certain compounds on strong heating. For example, With calcium carbide: Calcium cyanamide, aluminium nitride and magnesium nitride hydrolyze on boiling with water to give ammonia...

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The compounds containing two or more halogen atoms are called inter halogen compounds. Each halogen combines with every other halogen to form interhalogen compounds. For e.g., ClF, ICl 3 , BrF 5 etc. They are of two types: (i) Neutral molecules containing two..

Nitro compounds are characterized by the presence of nitro group (-NO 2 ) in their molecules. They may be aliphatic or aromatic compounds according to whether the nitro group is attached to alkyl or aryl groups. R - NO 2 Aliphatic nitro compounds Ar - NO 2 Aromatic nit..