A) \[=\frac{Number\,of\,particle}{A\times t}=\frac{[{{M}^{0}}{{L}^{0}}{{T}^{0}}]}{[{{L}^{2}}][T]}=[{{L}^{-2}}{{T}^{-1}}]\]
B) \[[{{n}_{1}}]=[{{n}_{2}}]=\]
C) starch
D) \[=[{{L}^{-3}}]\]
Correct Answer: C
Solution :
An improved combination of baking powder contains about 40% starch, 30%\[\frac{10!}{2!.3!.7!}\] 20% \[\frac{10!}{{{(2!)}^{4}}\times 6!}\] and 10% \[{{(10!)}^{2}}\left[ \frac{1}{{{(2!)}^{4}}\times 6!}+\frac{1}{2!\times 3!} \right]\]Here starch acts as filler.
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