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Laabri

Pure Substances and Mixtures Content Quiz_22.23

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Last updated about 1 month ago
9 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

How are homogeneous mixtures and heterogeneous mixtures similar?

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2.

How are pure substances and mixtures different?

This graph shows the effect of temperature on the time it takes salt to dissolve in water.

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3.

How many minutes did it take for the salt to dissolve in cold water?

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4.

In what temperature of water does salt dissolve the fastest?

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5.

Salt water is a homogenous mixture. Can it be separated physically?

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6.

Gold is an element. What is true about gold?

This is calcium carbonate.

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7.

What is calcium carbonate?

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This is kachumbari. People eat it in East Africa.

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9.

Is kachumbari an element, compound, homogeneous mixture (solution), or heterogeneous mixture? Why?

Kachumbari is a _____________________ because _________________________________.

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8.

How do you know what calcium carbonate is?