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How are mixtures and solutions different form each other?

• There are no differences

• Once combines chemically the other combines electronically

• They have more than one element in them

• The mixture combines physically, and the solution is not easily separated

Which of the following methods is the best way for separating and collecting all the substances from a solution?

• Distillation (chưng cất)

• Deposition (lắng)

• Evaporation

• Filtration

What is the simplest way to separate the mixture of oil and water?

• Distillation

• Deposition

• Evaporation

• Filtration

How can the people in Ninh Thuận collect salt from seawater?

• Distillation

• Deposition

• Evaporation

• Filtration

How can we speed up the evaporation process when hanging clothes?

• Increase the surfaces (e.g stretching the clothes when hanging)

• Increase the heat absorbed (e.g find the sunny place to hang)

• Increase the speed of particles (e.g find a windy place to hang)

• All of the above

Which is a cultural feature of Mekong Delta?

• Gong festival

• Bamboo dance

• Floating market

• All of the above

What is the biggest economic center in Mekong Delta?

• Kiên Giang

• Cần Thơ

• Long An

• Mỹ Tho

Where is Trị An Lake located?

• Đồng Nai

• Bình Dương

• Hồ Chí Minh City

• Bà Rịa – Vũng Tàu

Southeast region is the biggest center of ………… in Vietnam

• industry

• agriculture

• forestry

• fishery

Which of the following provinces/ cities does NOT belong to Southeast region?

• Ho Chi Minh City

• Bình Thuận

• Tây Ninh

• Bình Phước