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Hi😎
Am back
Is another day to keep your head up and keep grinding
My people how una de?
Hi guys
How many moles HCL will be required to react with potassium heptaoxodichromate (VI) to produce 3 moles of chlorine?
A. 14
B. 12
C. 11
D. 10
2000
90
50 cm3 of carbon (II) oxide was exploded with 150 cm3 of air containing 20% oxygen by volume. Which of the reactants was in excess?
A. Carbon (II) oxide
B. Carbon (IV) oxide
C. Oxygen
D. Nitrogen
Which of the following compounds is composed of Al, Si, O and H?
A. Epsom salt
B. Limestone
C. Clay
D. Urea
Sieving is a technique used to separate mixture containing solid particles of
A. small sizes
B. large sizes
C. differents sizes
D. the same sizes
David Akande
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Tega Okogwu
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