Download App

Model Paper 8 — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceModel Paper 81 Mark
MCQ
What are c and d?
Image
  • A
    $c =$ multiply by $N _{ A } d =$ multiply by $N _{ A }$
  • B
    $c=$ multiply by $N _{ A }, d =$ divide by $N _{ A }$
  • C
    $c=$ divide by $N _{ A } d =$ divide by $N _{ A }$
  • ✓
    $c =$ divide by $N _{ A } d =$ multiply by $N _{ A }$
✓

Answer

Correct option: D.
$c =$ divide by $N _{ A } d =$ multiply by $N _{ A }$
(d)$c =$ divide by $N _{ A } d =$ multiply by $N _{ A }$
Explanation: No. of moles $=$ No. of molecules $\div \underbrace{\text { Avogadro's number }}_c$
Number of molecules $=$ Number of moles $\times \underbrace{\text { Avogadro's number }}_d$

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 "M.C.Q. [1 M]" from Model Paper 8→Model Paper 8 — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

In angiosperms:
→
The codes for the specific proteins produced by a cell lies in the ________.
→
Which of the following cannot be separated from air by the process of fractional distillation?
→
Classify the following terms into cells, tissues and organs. $\text{RBCs, WBCs},$ nerve cells, blood, muscle, blood vessels, brain, heart, hand:
→
Which one of the following will form a translucent solution in water?
→
If crop rotation is done properly then:
→
If a particle moves in a circle with constant speed, its velocity:
→
Which flow chart correctly describes a homogeneous material?
→
Girth of stem increases due to
→
All matter that is present in the universe has:
→