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what changes in colour of

1) Bases that are soluble in water are known as alkalis. Is sodium oxide an alkali?2) Indicators change colour at different pH.
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2. asked by candy
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Two girls, Bella and Destiny, and two boys, Ryan and José, each have a different favouritecolour: red, green, blue, and black.
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2. asked by Matt
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It is known that approximately 20% of the population is colour blind. In a sample of 270 people, use the normal approximation to
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2. asked by Jenna
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Explaini. Colour fibers ii. Colour mixing III. Coloured pigment Show details
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2. asked by Chioma
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Imagine that you have a green lightbulb in a darker will using a colour light, appeared to change the colour of the
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my homework assignment is to colour the tributary of the river tees but i am struggling. i don`t know where to colour.please
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2. asked by rachael
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From a column chromotagraphy, how do we know which colours are pure and mixtures?Also how do we know the number of compounds on
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2. asked by AL2012
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Imagine that you have a green lightbulb in a darker will using a colour light, appeared to change the colour of the Objects in
1. 1 answer
2. 87 views
It is known that approximately 20% of the population is colour blind. In a sample of 270 people, use the normal approximation to
1. 2 answers
2. asked by Jenna
3. 573 views
It is known that approximately 20% of the population is colour blind. In a sample of 270 people, use the normal approximation to
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2. asked by Jenna
3. 602 views