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How fast How furious

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Hydrogen when lit in oxygen explodes to form energy and ? Carbon dioxide. More hydrogen ... Which of the following all affect the rate of a reaction? ... – PowerPoint PPT presentation

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Title: How fast How furious


1
How fast? How furious?
  • This is a product of Mr Essex a member of the
    science department of Dartford Technology College

2
Question 1
  • Hydrogen when lit in oxygen explodes to form
    energy and ?
  • Carbon dioxide
  • More hydrogen
  • Water
  • Hydrochloric acid

3
Question 2
  • A chemical reaction that gives out energy is
    called?
  • Endothermic
  • Exothermic
  • Endocrine
  • Exoskeleton

4
Question 3
  • The rate of a chemical reaction doubles with
    every ?
  • 50oC
  • 25oC
  • 10oC
  • 2oC

5
Question 4
  • Endothermic chemical reactions feel?
  • Cold to the touch
  • Hot to the touch
  • Rough to the touch
  • Smooth to the touch

6
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.

7
Question 6
  • What do we call a chemical that can also speed up
    a chemical reaction?
  • Cataract
  • Catarrh
  • Catalyst
  • Catamaran

8
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

9
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

10
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

11
Question 10
  • What do we call a biological catalyst?
  • Hormone
  • Blood
  • Enzyme
  • Lipid

12
Question 11
  • Which household product is most likely to contain
    enzymes?
  • Bleach.
  • Washing up liquid.
  • Washing powder.
  • Talcum Powder.

13
Question 12
  • What is the normal working temperature of the
    human body?
  • 30oC
  • 35oC
  • 37oC
  • 40oC

14
Question 13
  • Fertiliser is made from ?
  • Ammonia and Nitrogen
  • Ammonia and Oxygen
  • Ammonia and Helium
  • Ammonia and Argon

15
Question 14
  • The manufacture process of Ammonia was invented
    by a chemist from?
  • England
  • France
  • Germany
  • Spain

16
Question 15
  • Who invented the process for the manufacture of
    Ammonia?
  • Fritz Barber
  • Fritz Haber
  • Fritz Caber
  • Fritz Sabre

17
Question 16
  • Organic crops are grown without the use of?
  • Ammonium Nitrate
  • Manure
  • Compost
  • Fishmeal

18
Question 17
  • What do we call a device which detects a form of
    energy?
  • Beaker
  • Tripod
  • Bunsen
  • Sensor

19
Question 18
  • When we set up a sensor against a known scale, we
    say it is?
  • Callipers
  • Callous
  • Calligraphy
  • Calibrated

20
Question 19
  • The following is a definition of, The amount of
    a substance in a given volume of solution?
  • Concentration
  • Sublimation
  • Termination
  • Violation

21
Question 20
  • What do we call the force exerted per unit area?
  • Tension
  • Suspension
  • Depression
  • Pressure

22
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23
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