Build a question paper in 60 seconds.

1. A
   $\frac{2(l+e)}{3}$
2. B
   $\frac{2(l+2e)}{3}$
3. C
   $\frac{4(l+e)}{5}$
4. D
   $\frac{4(l+2e)}{5}$

Tap an option to check your answer.

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

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   $m_1$
2. B
   m_2
3. C
   $m_3$
4. D
   $m_4$

Tap an option to check your answer.

1. A
   4.00 mV
2. B
   3.75 mV
3. C
   3.00 mV
4. D
   2.50 mV

Tap an option to check your answer.

1. A
   $\frac{2F}{3}$
2. B
   $\frac{F}{1.5}$
3. C
   $F$
4. D
   $\frac{F}{\sqrt{3}}$

Tap an option to check your answer.

1. A
   2:1
2. B
   2:3
3. C
   3:4
4. D
   3:5

Tap an option to check your answer.

1. A
   2:1
2. B
   1:1
3. C
   1:4
4. D
   1:8

Tap an option to check your answer.

1. A
   25 V
2. B
   2.5 V
3. C
   250 V
4. D
   20 V

Tap an option to check your answer.

1. A
   $\frac{R}{8}$
2. B
   $\frac{R}{6}$
3. C
   $\frac{R}{4}$
4. D
   $\frac{R}{9}$

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   5:6
2. B
   6:5
3. C
   9:13
4. D
   13:9

Tap an option to check your answer.

1. A
   5:125
2. B
   5:81
3. C
   7:27
4. D
   9:132

Tap an option to check your answer.

1. A
   It needs $O_2$ or peroxide initiator in synthesis process
2. B
   It is a branched chain polymer.
3. C
   It needs low pressure about 6-7 atm in synthesis process.
4. D
   It is a branched chain polymer.

Tap an option to check your answer.

1. A
   $CH_3\text{-}CH_2\text{-}CH=CH\text{-}X$
2. B
   $CH_3\text{-}C\equiv C\text{-}CH_2\text{-}X$
3. C
   $CH\equiv C\text{-}CH_2\text{-}CH_2\text{-}X$
4. D
   $CH_3\text{-}CH_2\text{-}C\equiv C\text{-}X$

Tap an option to check your answer.

1. A
   -0.05 V
2. B
   0.03 V
3. C
   -0.06 V
4. D
   0.07 V

Tap an option to check your answer.

1. A
   3.34
2. B
   4.80
3. C
   5.44
4. D
   6.93

Tap an option to check your answer.

1. A
   1-chloro-4-methylcyclohexan-2-one
2. B
   2-chloro-3-methylcyclohexanone
3. C
   2-chloro-4-methylcyclohexanone
4. D
   4-methyl-2-chlorocyclohexanone

Tap an option to check your answer.

1. A
   $NO_2(g)$
2. B
   $NO(g)$
3. C
   $SO_2(g)$
4. D
   $O_2(g)$

Tap an option to check your answer.

1. A
   0.055 mol dm$^{-3}$
2. B
   0.028 mol dm$^{-3}$
3. C
   0.083 mol dm$^{-3}$
4. D
   0.11 mol dm$^{-3}$

Tap an option to check your answer.

1. A
   122.5 g
2. B
   81.67 g
3. C
   10.25 g
4. D
   8.16 g

Tap an option to check your answer.

1. A
   2.8 g cm$^{-3}$
2. B
   2.1 g cm$^{-3}$
3. C
   3.5 g cm$^{-3}$
4. D
   4.1 g cm$^{-3}$

Tap an option to check your answer.

1. A
   CaSO$_4$·2H$_2$O
2. B
   PbS
3. C
   ZnS
4. D
   BaSO$_4$

Tap an option to check your answer.

1. A
   Chlorobenzene
2. B
   Benzyl alcohol
3. C
   Benzenediazonium chloride
4. D
   Phenol

Tap an option to check your answer.

1. A
   $3\lambda_{A^{3+}}^0 + \lambda_{B^-}^0$
2. B
   $\lambda_{A^{3+}}^0 + \lambda_{B^-}^0$
3. C
   $\lambda_{A^{3+}}^0 + 3\lambda_{B^-}^0$
4. D
   $2\lambda_{A^{3+}}^0 + \lambda_{B^-}^0$

Tap an option to check your answer.