500 prompts matching "Describing starch and cellulose as the same polymer"
Calculation practice: Checking the charge balance in an ionic equation
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Quiz me: Periods, groups and blocks
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Practice set: Predicting valency from the group number
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Spot my mistake: Placing hydrogen wrongly in the periodic table
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Calculation practice: Predicting the formula of a compound from group numbers
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Practice set: Drawing dot-and-cross diagrams for simple molecules
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Calculation practice: Predicting a compound's formula from the bonding type
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Practice set: How structure determines melting and boiling point
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Exam practice: Giant and simple molecular structures compared
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Quiz me: Boyle's law stated and illustrated
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Explain back: Charles's law stated and illustrated
I have just studied Charles's law stated and illustrated in my SS1 Chemistry class. Let me
Exam practice: Converting between Celsius and Kelvin
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Chemistry at work: Gas behaviour in industrial processes
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Explain back: Standard temperature and pressure defined
I have just studied standard temperature and pressure defined in my SS1 Chemistry class. L
Practice set: Molar volume and its value at s.t.p.
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Spot my mistake: Using the wrong value of R for the units given
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Chemistry at work: Gas calculations in Nigerian industry
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Quiz me: The physical properties of water
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Practice set: Water as a universal solvent
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Calculation practice: Calculating the solubility of a solute
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