500 prompts matching "The properties and the test for ammonia"
Explain back: The law of multiple proportions
I have just studied the law of multiple proportions in my SS1 Chemistry class. Let me expl
Real-life Nigeria: The laws of combination at work in Nigerian industry
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Exam practice: The volume one mole of any gas occupies at s.t.p.
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Calculation practice: Calculating the number of particles in a given mass
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Real-life Nigeria: The mole in Nigerian pharmaceutical measurement
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Real-life Nigeria: The chemical names behind familiar Nigerian products
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Chemistry at work: Why systematic naming matters in trade and medicine
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Calculation practice: Calculating the volume of a gas at s.t.p.
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Exam practice: Percentage yield, and why it falls short of a hundred
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Calculation practice: Calculating the volume of gas produced in a reaction
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Calculation practice: Calculating the concentration of an acid solution
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Explain back: The methods of preparing a soluble salt
I have just studied the methods of preparing a soluble salt in my SS1 Chemistry class. Let
Calculation practice: Titration calculations and finding an unknown concentration
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Explain back: The trend in atomic radius across a period
I have just studied the trend in atomic radius across a period in my SS1 Chemistry class.
Exam practice: Chromatography and how it works
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Exam practice: The laboratory preparation of hydrogen
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Project task: Testing water hardness in my own area
Act as my SS1 Chemistry tutor. Set me a short practical or research task on testing water
Explain back: The laboratory preparation of oxygen
I have just studied the laboratory preparation of oxygen in my SS1 Chemistry class. Let me
Calculation practice: Calculating the volume of oxygen used in a reaction
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Chemistry at work: The uses of the gases separated from air
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