Download App

Air and Atmosphere — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYAir and Atmosphere1 Mark
Question
Give a balanced equation to obtain oxygen from Lead dioxide.
✓

Answer

Lead dioxide:
$\underset{\text { (chocolate brown) }}{2 PbO _2} \longrightarrow 2 PbO + O _2 \uparrow$

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

What is chromatography?
→
Name a metalthat can be cut with knife
→
Statements given below are incorrect. Write the correct statements :
Aluminium is best conductor of electricity.
→
Under what conditions do solids, liquids and gases change their state.
→
Which gas is produced on heating sodium nitrate ?
→
State two important uses of following metal:
Uses of gold
→
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form positive ion?
→
Name the particles which revolve around the nucleus.
→
Name a non-metal whose compounds help in the growth of plants.
→
Why are liquids and gases called as fluids.
→