Build a question paper in 60 seconds.

1. A
   Chalcopyrite
2. B
   Zincite
3. C
   Limonite
4. D
   Siderite

Tap an option to check your answer.

1. A
   liquid and gas.
2. B
   gas and liquid.
3. C
   solid and gas.
4. D
   gas and solid.

Tap an option to check your answer.

1. A
   Alkanols
2. B
   Alkanoic acids
3. C
   Alkyl hydrogen sulphate
4. D
   Oxonium salts

Tap an option to check your answer.

1. A
   $1.13\times10^{-22}$ cm$^3$
2. B
   $2.25\times10^{-22}$ cm$^3$
3. C
   $3.15\times10^{-22}$ cm$^3$
4. D
   $4.37\times10^{-22}$ cm$^3$

Tap an option to check your answer.

1. A
   enthalpy of fusion
2. B
   enthalpy of vaporization
3. C
   enthalpy of solution
4. D
   enthalpy of atomization

Tap an option to check your answer.

1. A
   5.56
2. B
   6.99
3. C
   8.44
4. D
   9.56

Tap an option to check your answer.

1. A
   300 g mol$^{-1}$
2. B
   340 g mol$^{-1}$
3. C
   328 g mol$^{-1}$
4. D
   352 g mol$^{-1}$

Tap an option to check your answer.

1. A
   Methane
2. B
   Acetylene
3. C
   Ethylene
4. D
   Ammonia

Tap an option to check your answer.

1. A
   $5.6\times10^{-3}$ minute$^{-1}$
2. B
   $4.5\times10^{-3}$ minute$^{-1}$
3. C
   $6.5\times10^{-3}$ minute$^{-1}$
4. D
   $7.2\times10^{-3}$ minute$^{-1}$

Tap an option to check your answer.

1. A
   6
2. B
   4
3. C
   5
4. D
   1

Tap an option to check your answer.

1. A
   1.3
2. B
   3.1
3. C
   3.6
4. D
   6.3

Tap an option to check your answer.

1. A
   Ammonium carbonate
2. B
   Sodium bicarbonate
3. C
   Calcium Chloride
4. D
   Ammonium Chloride

Tap an option to check your answer.

1. A
   Compound (a)
2. B
   Compound (b)
3. C
   Compound (c)
4. D
   Compound (d)

Tap an option to check your answer.

1. A
   A$_2$B$_3$
2. B
   AB
3. C
   AB$_2$
4. D
   AB$_3$

Tap an option to check your answer.

1. A
   n-Butyl bromide
2. B
   sec-Butyl bromide
3. C
   Isobutyl bromide
4. D
   tert-Butyl bromide

Tap an option to check your answer.

1. A
   0.0128
2. B
   0.0151
3. C
   0.078
4. D
   0.089

Tap an option to check your answer.

1. A
   Zero J
2. B
   +10 J
3. C
   -10 J
4. D
   -100 J

Tap an option to check your answer.

1. A
   Isoprene
2. B
   $\beta$-Phellandrene
3. C
   But-2-ene
4. D
   Pent-1-ene

Tap an option to check your answer.

1. A
   Glyptal
2. B
   Polycarbonate
3. C
   Perspex
4. D
   PVC

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   1.45
2. B
   2.45
3. C
   1.55
4. D
   2.55

Tap an option to check your answer.

1. A
   $\frac{1}{4}\log\frac{1+x}{7-x}+c$
2. B
   $\frac{1}{8}\log\frac{7-x}{1+x}+c$
3. C
   $\frac{1}{4}\log\frac{7-x}{1+x}+c$
4. D
   $\frac{1}{8}\log\frac{1+x}{7-x}+c$

Tap an option to check your answer.

1. A
   $\cos 54^{\circ}$
2. B
   $\cos 36^{\circ}$
3. C
   $\sin 54^{\circ}$
4. D
   $\sin 36^{\circ}$

Tap an option to check your answer.

1. A
   $2\tan x$
2. B
   $\tan x$
3. C
   $2\sin x$
4. D
   $\sin x$

Tap an option to check your answer.

1. A
   $\frac{35}{36}$
2. B
   $\frac{34}{36}$
3. C
   $\frac{33}{36}$
4. D
   $\frac{31}{36}$

Tap an option to check your answer.