Multiple Choice Question Answer I — task. Science CBSE, Class 9.

PDF chapter test TRY NOW

1. The number of iodine atoms present in 50 mL of a 0.1 M KI solution is

$3$ x $10^2{^1}$
$6$ x $10^2{^3}$
$10$ x $10^2{^3}$
$6$ x $10^2{^2}$

2. Calculate the number of particles in 8g of

$O_2$ molecules

$1.51$ x $10^2{^3}$
$1.41$ x $10^2{^3}$
$1.61$ x $10^2{^3}$
$1.32$ x $10^2{^3}$

Login or Fast registration

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content