Biology, 29.03.2021 14:00 sporting06
Asha crushed some purple berries from a bush and mixed them with a little water. When she mixed the juice with some wet washing powder, the colour changed to red. She said, "this proves that berries are an indicator and the washing powder is an alkali." Is Asha correct? Explain your answer.
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Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.
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When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page
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The tubes transporting minerals and water upward are called ?
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Asha crushed some purple berries from a bush and mixed them with a little water. When she mixed the...
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