how fast? how furious? this is a product of mr essex a member of the science department of dartford...
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How fast? How furious?
This is a product of Mr Essex a member of the science department of Dartford
Technology College
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Question 1
• Hydrogen when lit in oxygen explodes to form energy and ?
• Carbon dioxide
• More hydrogen
• Water
• Hydrochloric acid
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Question 2
• A chemical reaction that gives out energy is called?
• Endothermic
• Exothermic
• Endocrine
• Exoskeleton
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Question 3
• The rate of a chemical reaction doubles with every ?
• 50oC
• 25oC
• 10oC
• 2oC
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Question 4
• Endothermic chemical reactions feel?
• Cold to the touch
• Hot to the touch
• Rough to the touch
• Smooth to the touch
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Question 5
• Which of the following all affect the rate of a reaction?
• Surface area, temperature, competition.
• Concentration, temperature, competition.
• Concentration, competition, surface area.
• Concentration, temperature, surface area.
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Question 6
• What do we call a chemical that can also speed up a chemical reaction?
• Cataract
• Catarrh
• Catalyst
• Catamaran
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Question 7
• When hydrogen peroxide reacts to form water and oxygen, which of the following is used as a catalyst?
• Manganese dioxide
• Carbon dioxide
• Sulphur dioxide
• Nitrogen dioxide
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Question 8
• A catalyst is used in chemical reactions to change the rate it usually?
• Slows it down.
• Keeps it constant.
• Stops the reaction
• Speeds it up
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Question 9
• What do we call the device on a car that speeds up making exhaust gas safer?
• Carburettor
• Automatic choke
• Fuel injection
• Catalytic converter
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Question 10
• What do we call a biological catalyst?
• Hormone
• Blood
• Enzyme
• Lipid
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Question 11
• Which household product is most likely to contain enzymes?
• Bleach.
• Washing up liquid.
• Washing powder.
• Talcum Powder.
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Question 12
• What is the normal working temperature of the human body?
• 30oC
• 35oC
• 37oC
• 40oC
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Question 13
• Fertiliser is made from ?
• Ammonia and Nitrogen
• Ammonia and Oxygen
• Ammonia and Helium
• Ammonia and Argon
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Question 14
• The manufacture process of Ammonia was invented by a chemist from?
• England
• France
• Germany
• Spain
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Question 15
• Who invented the process for the manufacture of Ammonia?
• Fritz Barber
• Fritz Haber
• Fritz Caber
• Fritz Sabre
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Question 16
• Organic crops are grown without the use of?
• Ammonium Nitrate
• Manure
• Compost
• Fishmeal
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Question 17
• What do we call a device which detects a form of energy?
• Beaker
• Tripod
• Bunsen
• Sensor
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Question 18
• When we set up a sensor against a known scale, we say it is?
• Callipers
• Callous
• Calligraphy
• Calibrated
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Question 19
• The following is a definition of, ‘ The amount of a substance in a given volume of solution’?
• Concentration
• Sublimation
• Termination
• Violation
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Question 20
• What do we call the force exerted per unit area?
• Tension
• Suspension
• Depression
• Pressure
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