WorksheetsNational 4 Unit 2 Everyday consumer products
Total questions: 23
Worksheet time: 12mins
Glucose is a simple carbohydrate with the formula C6H12O6. What do plants convert glucose into to store energy?
Starch
Oxygen
Protein
Water
(Fill in the missing word)
Starch is a complex carbohydrate formed by joining many _______ molecules.
Alkane
Glucose
Alkene
Protein
Which of the following can be used to test for starch?
(Hint: it turns from yellow/brown to black)
Lime water
Benedict's solution
Iodine solution
Hydrochloric acid
Which of the following can be used to test for glucose?
(Hint: it turns from blue to bright orange)
Lime water
Benedict's solution
Iodine solution
Hydrochloric acid
What alcohol is found in alcoholic drinks?
Methanol
Ethanol
Propanol
Butanol
Ethanol is similar to that of ethane but one of the H atoms has been replaced by which group?
-OH
=O
-CH3
Fermentation involves reacting a fruit or vegetable with a fungus known as?
Starch
Sugar
Yeast
Button mushroom
Yeast is an enzymes?
True
False
Carbon dioxide is also produced during fermentation. Bubbling this gas through lime water turns it?
Cloudy
Orange
Blue
Yeast works under optimal conditions. Yeast can only produce alcohol up to a concentration of?
5%
15%
50%
100%
Alcoholic drinks with higher ethanol concentrations are produced through the process of?
Filtration
Chromatography
Dilution
Distillation
(Units of alcohol)
How many units equal 10ml of ethanol?
1
2
5
10
