science form 1 chapter 6

All of the following can conduct electricity, except:

• carbon

• sulphur

• copper

• iron

there is ____ type of atom in an element.

• two

• one

• four

• three

• zero

electrolysis: components in a compoud can be separated ______.

• physically

• chemically

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

NGSS.MS-PS1-2

the function of distillation

• to separate two solid mixtures in which one of the substances is magnetic and the other is not

• to separate a liquid and insoluble solid mixture

• to separate soluble and insoluble materials in water

• to separate a completely miscible liquid-liquid mixture that have different boiling points

physical change form new substances. True or False?

• True

• False

Which of the following is a physical change?

• Photosynthesis

• Cellular respiration

• Melting of ice

• Decaying of carcass

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NGSS.MS-PS1-4

Diagram shows the set of water electrolysis.

Based on diagram, what is gas X?

Which of the following is the properties of compound?

• Bonded chemically

• Does not form new substance

• Undergoes physical changes

• Properties of substance and product remain the same

Tags

NGSS.MS-PS1-5

Diagram shows some soft drink cans.

What is the characteristic of the metal used to make this container?

• Malleable

• Conducts heat

• High density

• Ductile

Electron is a particle with ________ charge.

• negative

• positive

• no