Download App

Air and Atmosphere — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYAir and Atmosphere1 Mark
Question
ClassifyCalcium oxide. Also give a balanced equation to prepare it.
✓

Answer

calcium oxide → Basic oxide
$2Ca + O_2→ 2CaO$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[1 Mark Question Answer]" from Air and Atmosphere→Air and Atmosphere — all question types→CHEMISTRY STD 7 question papers→ICSE Board STD 7 question papers→ICSE Board question paper generator→

Similar questions

How did Priestley prepare oxygen ?
→
Give reason
A red ink drop added to small amount of water in a glass turns water red in some time.
→
What are molecules ?
→
Dissolving salt in water is a reversible change.
→
State two important uses of following metal
Uses of lead
→
Give two examples for each of ionic and covalent bond.
→
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
→
What do you observe when Phosphorus is heated and then tested with moist blue and red litmus – paper?
→
Name the metals present in the following alloys
Stainless steel
→
Give reasons
Aluminium is used in making aircrafts.
→