Question

26. a) Name any two soft metals.
c) Define galvanization.
b) How are basic oxides formed 7
d) How do alkalis are formed?​

Answer 1

Answer:

answer no 1.

Sodium and potassium are two metals which are soft and can be cut with a knife.

answer no 2.

Galvanisation or galvanization (or galvanizing as it is most commonly called) is the process of applying a protective zinc coating to iron or steel, to prevent rusting. The most common method is hot dip galvanizing, in which steel sections are submerged in a bath of molten zinc.

Explanation:

answer no 3.

Basic oxides, can also called base anhydrides which means "a base without water", are usually formed by reacting of oxygen with metals, especially alkali (+1 oxidation state) and alkaline earth metals (+2 oxidation state).

answer no 4.

Bases that are soluble in water are called alkalis and they dissolve in water to form alkaline solutions .

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Answer 2

Explanation:

a)Sodium and potassium are two metals which are soft and can be cut with a knife.

b)Galvanisation or galvanization (or galvanizing as it is most commonly called) is the process of applying a protective zinc coating to iron or steel, to prevent rusting

c)Certain organic compounds react with oxygen or other oxidizing agents to produce substances called oxides. Thus, amines, phosphines, and sulfides form amine oxides, phosphine oxides, and sulfoxides, respectively, in which the oxygen atom is covalently bonded to the nitrogen, phosphorus, or sulfur atom.

d)The alkali metals are so named because when they react with water they form alkalies. Alkalies are hydroxide compounds of these elements, such as sodium hydroxide and potassium hydroxide. ... Lye, for example, is sodium hydroxide. Alkalies react with acids to form salts.