KHTN 7 - ÔN TẬP CUỐI HỌC KÌ 1

Quiz

•

Science

•

7th Grade

•

Easy

Nguyễn Thuận

Used 2+ times

FREE Resource

58 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phân tử gồm nhiều nguyên tử liên kết tạo thành.

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phân tử khối được tính bằng tổng nguyên tử khối các nguyên tử trong phân tử

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3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Đơn chất được cấu tạo từ một nguyên tố

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4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

H2O là đơn chất

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5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hợp chất được cấu tạo từ 2 nguyên tố hóa học

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

C2H5OH là hợp chất

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7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phân tử khối của CO2 là 44 amu (C=12; O=16)

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