Mostly chemistry questions...

Match the chemical symbol to the element...

• Mg

• sulphur

• O

• nitrogen

• S

• magnesium

• C

• oxygen

• N

• carbon

In a chemical reaction (a)   turn into ​ (b)   .

• reactants
• products
• cats
• mice
• energy
• gas

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Put these metals into INCREASING order of reactivity.

• copper

• gold

• calcium

• zinc

• sodium

A thermometer measures (one word)

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When zinc reacts with ​ (a)   , solid​ (b)   forms in the vessel and a ​ (c)   solution of ​ (d)   is produced.

• copper sulphate
• copper
• colourless
• zinc sulphate
• iron sulphate
• lead
• blue
• nickel chloride

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

An example of a base would be...

• sodium chloride

• carbon dioxide

• copper oxide

• potassium nitrate

Match element to its chemical symbol.

• Pb

• iron

• Na

• sodium

• Cl

• potassium

• Fe

• chlorine

• K

• lead

Thermite Reaction:

​ ​ (a)   + ​ (b)   oxide ----> ​​ (c)   + ​ (d)   oxide

• iron
• aluminium
• zinc
• copper
• iron oxide
• aluminium oxide

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Put these metals into DECREASING order of reactivity.

• magnesium

• mercury

• lithium

• rubidium

• tin

Match the chemical formula to the compound.

• potassium manganate VII

• CuCO₃

• copper carbonate

• KMnO₄

• copper sulphate

• H₂SO₄

• sodium bicarbonate

• CuSO₄

• sulphuric acid

• NaHCO₃

Tags

NGSS.MS-PS1-1