KS4 Chemistry Christmas Quiz

Brussel sprouts contain a chemical called sulforaphane which has the formula $C_6H_{11}NOS_2$ .  How many different elements are there in Sulforaphane?

What burns when a Christmas pudding is lit on fire?

The wax that candles are made of is a hydrocarbon. Is that true or false?

• true

• false

Poinsettia are plants which are often sold at Christmas time. The leaves change colour because of the pH of the soil. Are poinsettias grown in acidic or alkaline soil to give them red leaves?

• acidic soil

• alkaline soil

Myrrh is helpful in relieving mouth disorders such as gingivitis or ulcers inside the mouth and gum. Is that true, or false?

• true

• false

Christmas ornaments coated in copper will oxidise if left outside, what colour will they turn?

One of the gifts the three wise men brought to the baby Jesus was gold. What is the chemical symbol for the element gold?

Snow will not stick if the ground-level temperature is above 0°C. Is that true or false?

• true

• false

Which contains the most energy (calories)?

• a mince pie

• a roast potato

• a fun-size chocolate bar

• one glass of sherry

The leaves of a Holly Bush can be used to make a pH indicator. Is that true, or false?

• true

• false