Write down the formulae for the following compounds :(a) Calcium oxide(b) Magnesium hydroxide

Academic Chemistry NCERT Class 9

(a) Calcium oxide: CaO

(b) Magnesium hydroxide: Mg(OH)₂

Tutorialspoint

Simply Easy Learning

Updated on: 10-Oct-2022

43 Views

Work out the formulae for the following compounds :(a) Sodium oxide(b) Calcium carbonate
Write the chemical formulae of the following:(a) Magnesium chloride(b) Calcium oxide(c) Copper nitrate(d) Aluminium chloride(e) Calcium carbonate.
Write down the formulae of(i) Sodium oxide(ii) Aluminium chloride(iii) Sodium sulfide(iv) Magnesium hydroxide.
Write down the chemical formula for the following compounds:(a) Aluminium carbonate(b) Calcium sulphide(c) Zinc carbonate(d) Copper phosphate(e) Magnesium bicarbonate(f) Aluminium hydroxide.
Write the molecular formulae for the following compounds(a) Copper (II) bromide(b) Aluminium (III) nitrate(c) Calcium (II) phosphate(d) Iron (III) sulphide(e) Mercury (II) chloride(f) Magnesium (II) acetate
Write down the formula for:Copper nitrate, calcium sulphate, and aluminium hydroxide.
Write the balanced chemical equations for the following reactions:(a) Calcium hydroxide + Carbon dioxide ------> Calcium carbonate + Water(b) Aluminium + Copper chloride ------> Aluminium chloride + Copper
One of the following is a medicine for indigestion. This is:(a) Sodium hydroxide (b) Manganese dioxide (c) Magnesium hydroxide (d) Potassium hydroxide
MagnesiumÂ reacts with _______________ to form magnesium oxide and hydroxide
Write complete balanced equations for the following reactions:(a) Calcium (solid) + Water (liquid) ------> Calcium hydroxide (solution) + Hydrogen (gas)(b) Sulphur dioxide (gas) + Oxygen (gas) ------> Sulphur trioxide (gas)
Write the chemical equation for the following reactions:1. Calcium hydroxide reacts with nitric acid.2. Acetic acid reacts with calcium hydroxide.3. Hydrochloric acid reacts with sodium hydroxide.4. Ammonium hydroxide reacts with sulphuric acid.
What is the chemical formula of the following:-1. Magnesium chloride.2. Calcium oxide.3. Copper nitrate.4. Aluminium chloride.5. Calcium carbonate.
Magnesium ribbon on burning in air produces(a) magnesium oxide, water and light(b) magnesium oxide and heat(c) magnesium oxide, heat and light (d) magnesium oxide, water and heat
Calcium Hydroxide
What is the nature (acidic/basic) of the following oxides?(a) Magnesium oxide(b) Sulphur dioxideGiven reason for your choice.

Kickstart Your Career

Get certified by completing the course

Get Started

Advertisements