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The intensity of the white colour of the suspension decreases.The mixture becomes more
colourless.The concentrated hydrochloric acid dissolves
gideon1 answered the question on September 28, 2017 at 05:32
- Name the following processes (i) When anhydrous calcium chloride was left in an open beaker overnight a solution was formed (ii) When sodium carbonate decahydrate crystals are...(Solved)
Name the following processes
i) When anhydrous calcium chloride was left in an open beaker
overnight a solution was formed.
ii) When sodium carbonate decahydrate crystals are left in an open beaker for some days it turned
into powder.
Date posted: September 28, 2017. Answers (1)
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Date posted: September 27, 2017. Answers (1)
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Date posted: September 26, 2017. Answers (1)
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Date posted: September 26, 2017. Answers (1)
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Date posted: September 26, 2017. Answers (1)
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Date posted: September 26, 2017. Answers (1)
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Name three methods used in separation of mixtures?
Date posted: September 26, 2017. Answers (1)
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Date posted: September 26, 2017. Answers (1)
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Date posted: September 26, 2017. Answers (1)
- An experiment was carried out to investigate the rate of reaction shown below
Sucrose ?Fructose + Glucose ...(Solved)
An experiment was carried out to investigate the rate of reaction shown below
Sucrose →Fructose + Glucose
For the products fructose and glucose to be formed, it was found that substance K was to be added and the temperature maintained at 370C. When another substance L was added, the reaction slowed down and eventually stopped
a) Suggest the identify of substances K and L
b) Other than temperature state three ways by which the rate of reaction could be increased
c) Explain how substance L slowed down the reaction
Date posted: September 25, 2017. Answers (1)
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Date posted: September 25, 2017. Answers (1)
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Gas Q takes 100 seconds to diffuse through a porous pot. Gas Q has a relative molecular mass of 34. Determine how long it will take sulphur (IV) oxide gas to diffuse under the same condition? (S = 32, O = 16,)
Date posted: September 25, 2017. Answers (1)
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Date posted: September 25, 2017. Answers (1)
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Date posted: September 24, 2017. Answers (1)
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Date posted: September 24, 2017. Answers (1)