What tool would you use to measure the volume of water?, Name all stages of the water cycle, Is air a mixture or a compound? why? , What colour does red litmus turn in an alkali?, What pH value do you expect lemon juice to have? , What is a controlled variable in an experiment? , Give one example of a renewable resource and how it helps us., How are bioplastics different from regular plastics?, Can you tell the chemical name of NaHCO3 from the formula?, What's a dependent variable in an experiment? .

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