Download App

The Language of Chemistry — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYThe Language of Chemistry2 Marks
Question
What is the limitation of the reaction given in question 2?
✓

Answer

The chemical equation given in question 2 does not give the time taken for the completion of the reaction.
Also, it does not give information about whether heat is absorbed or evolved during the reaction.

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 "[2 Mark Question Answer]" from The Language of Chemistry→The Language of Chemistry — all question types→CHEMISTRY STD 9 question papers→ICSE Board STD 9 question papers→ICSE Board question paper generator→

Similar questions

A person eats a chocolate and then digests it. In doing so there takes place a chemical change. identify the change and give reason for your answer.
→
Calculate the relative molecular masses of the following
$(NH_4)_2 Cr_2O_7$​​​​​​​
[At mass : $C = 12, H = 1, O = 16, Ci = 35.5, N = 14, Cu = 63.5, S = 32, K = 39, Pt = 195, Ca = 40, P = 31, Mg = 24]$
→
Name two alkaliesthat can displace hydrogen. Give balanced equations for the same. Why are the metals you have used considered to have a unique nature?
→
State Boyle's Law.
→
Write the electronic configuration of the following elements:
${ }^{31} \mathrm{P}_{15}$
→
State the sources and effects of the following gas:
Methane
→
Draw a labelled diagram to show how cathode rays are produced.
→
Calculate the molecular mass of the following:
$Na_2SO_4.10H_2O$
Given atomic mass of $Cu = 63·5, H = 1, O = 16, C = 12, N = 14, Mg = 24, S = 32$
→
What do you think would be the observation of `alpha` particle scattering experiment if carried out on (i) heavy nucleus like platinum (ii) light nuclei like litheum.
→
Draw orbit structure diagram of calcium oxide (CaO).
→