Build a question paper in 60 seconds.

1. A
   7.5 minute
2. B
   15 minute
3. C
   30 minute
4. D
   60 minute

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1. A
   9665 C
2. B
   19300 C
3. C
   14500 C
4. D
   96500 C

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1. A
   Neopentane
2. B
   2-Methylbutane
3. C
   2-Methylpropane
4. D
   2,2-Dimethylpropane

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1. A
   6
2. B
   12
3. C
   3
4. D
   4

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1. A
   $180\,\text{g mol}^{-1}$
2. B
   $210\,\text{g mol}^{-1}$
3. C
   $200\,\text{g mol}^{-1}$
4. D
   $190\,\text{g mol}^{-1}$

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1. A
   $4.6 \times 10^{-24}\,\text{kg ms}^{-1}$
2. B
   $1.1 \times 10^{-24}\,\text{kg ms}^{-1}$
3. C
   $3.18 \times 10^{-24}\,\text{kg ms}^{-1}$
4. D
   $6.36 \times 10^{-24}\,\text{kg ms}^{-1}$

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1. A
   $0.7\,\text{mol dm}^{-3}\text{s}^{-1}$
2. B
   $1.4\,\text{mol dm}^{-3}\text{s}^{-1}$
3. C
   $2.8\,\text{mol dm}^{-3}\text{s}^{-1}$
4. D
   $4.2\,\text{mol dm}^{-3}\text{s}^{-1}$

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1. A
   La
2. B
   Ce
3. C
   Hf
4. D
   Th

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1. A
   $1.5 \times 10^{22}$
2. B
   $2.0 \times 10^{22}$
3. C
   $4.5 \times 10^{22}$
4. D
   $6.0 \times 10^{22}$

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1. A
   1.304
2. B
   1.432
3. C
   1.123
4. D
   1.882

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1. A
   $\text{R-CHO} \xrightarrow{\text{LiAlH}_4} \text{R-CH}_2\text{OH}$
2. B
   $\text{R-CN} \xrightarrow{\text{SnCl}_2/\text{HCl}} \text{R-CHO}$
3. C
   $\text{R-CHO} \xrightarrow{\text{Zn-Hg/HCl}} \text{R-CH}_3$
4. D
   $\text{R-CO-R} \xrightarrow{\text{N}_2\text{H}_4/\text{KOH}} \text{R-CH}_2\text{-R}$

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1. A
   7.5 min
2. B
   15 min
3. C
   30 min
4. D
   60 min

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1. A
   $180\,\text{g mol}^{-1}$
2. B
   $210\,\text{g mol}^{-1}$
3. C
   $200\,\text{g mol}^{-1}$
4. D
   $190\,\text{g mol}^{-1}$

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1. A
   16 sq. units
2. B
   36 sq. units
3. C
   25 sq. units
4. D
   49 sq. units

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1. A
   0
2. B
   -4
3. C
   6
4. D
   4

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1. A
   $\frac{80}{243}$
2. B
   $\frac{40}{243}$
3. C
   $\frac{32}{625}$
4. D
   $\frac{128}{625}$

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1. A
   $\frac{2\hat{i}-6\hat{j}+\hat{k}}{\sqrt{41}}$
2. B
   $\frac{2\hat{i}-5\hat{j}}{\sqrt{29}}$
3. C
   $\frac{-3\hat{j}+\hat{k}}{\sqrt{10}}$
4. D
   $\frac{2\hat{i}-8\hat{j}+\hat{k}}{\sqrt{69}}$

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1. A
   1.76
2. B
   2.45
3. C
   3.2
4. D
   4.8

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1. A
   $\frac{1}{3}(x+1)$
2. B
   $\frac{1}{3}(x+4)$
3. C
   $\frac{2}{3}(x+2)$
4. D
   $\frac{2}{3}(x-4)$

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1. A
   $2\sin\alpha\sin\beta\sin\gamma$
2. B
   $2\cos\alpha\sin\beta\sin\gamma$
3. C
   $2\sin\alpha\cos\beta\sin\gamma$
4. D
   $2\sin\alpha\sin\beta\cos\gamma$

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1. A
   $\hat{i}-8\hat{j}+2\hat{k}$
2. B
   $\hat{i}+8\hat{j}+2\hat{k}$
3. C
   $-\hat{i}-8\hat{j}+2\hat{k}$
4. D
   $-\hat{i}-8\hat{j}-2\hat{k}$

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1. A
   $\sqrt{6}$ units
2. B
   $\sqrt{3}$ units
3. C
   $3\sqrt{14}$ units
4. D
   $5\sqrt{14}$ units

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1. A
   $1$
2. B
   $\frac{1}{e}$
3. C
   $\frac{1}{2e}$
4. D
   $\frac{1}{4e}$

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1. A
   $30^\circ\text{C}$
2. B
   $25^\circ\text{C}$
3. C
   $35^\circ\text{C}$
4. D
   $40^\circ\text{C}$

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1. A
   $\frac{17}{20}$
2. B
   $\frac{3}{5}$
3. C
   $-\frac{2}{5}$
4. D
   $\frac{2}{5}$

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