Question

Q7)Write down the chemical formula (Step Wise): a) Sodium oxide b) Aluminium sulphate c) Calcium carbonate d) Magnesium hydroxide e) Potassium sulphate f) Sodium chloride

Answer 1

Answer:

A) The chemical formula of sodium oxide is Na2o

B) The chemical formula of Aluminum sulphate is Al2(so4)3

C) The chemical formula of calcium carbonate is CaCo3

D) The chemical formula of Magnesium hydroxide is Mg(OH)2

E) Chemical formula of potassium sulphate is K2SO4

F) The Chemical formula of sodium chloride is NaCl

Answer 2

AnswEr:

a) Chemical Formula of Sodium oxide -

$\longrightarrow\sf Na_{2}O$

Sodium Oxide is an chemical compound which is white crystalline solid.

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b) Chemical Formula of Aluminium Sulphate -

$\longrightarrow\sf Al_{2}(SO_{4})_{3}$

Aluminium Sulphate is an chemical compound which is soluble in water but insoluble in ethanol.

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c) Chemical Formula of Calcium Carbonate -

$\longrightarrow\sf CaCo_{3}$

Calcium carbonate is an organic compound which is found in rocks & is appears like colourless crystals.

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d) Chemical Formula of Magnesium Hydroxide -

$\longrightarrow\sf Mg(OH)_{2}$

Magnesium Hydroxide is an Inorganic compound which reduces acid from stomach.

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e) Chemical Formula of Potassium Sulphate -

$\longrightarrow\sf K_{2}SO_{4}$

Potassium Sulphate is an white water soluble solid which is an inorganic compound.

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f) Chemical Formula of Sodium Chloride -

$\longrightarrow\sf NaCl$

Sodium chloride is an ionic compound which consists Chloride anions (Cl-) and Sodium cation (Na+).

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