C6.3 Interpreting And Interacting With Earth Systems
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Gases the earth’s early atmosphere contained
Carbon dioxide Water vapour
Problems with nitrogen monoxide (NO) and carbon monoxide (CO)
NO: Causes acid rain CO: Poisonous gas, causes suffocation
What does a deficiency of nitrogen in plants cause
Poor ROOT growth Yellow leaves
What does activated charcoal do
Attracts the indicator, allowing you to filter and remove it
Hazard of using ammonia solution
Releases ammonia gas which is an irritant
Colour change of phenolphthalein when acid from a burette is added to alkali in a conical flask
Pink —> colourless
Enzyme used in the fermentation method to make ethanol
Yeast
Why fermentation to make ethanol cannot be carried out above 35 degrees
Yeast enzyme will denature
Catalyst used in hydration method of making ethanol
Phosphoric acid
What NPK stands for
Nitrogen Phosphorus Potassium
Greenhouse gases allow __ waves through them Greenhouse gases allow _______ wavelength waves through them
UV Shorter