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chemistry Test - reactivity

Total questions: 25

Worksheet time: 15mins

Name

Class

Date

Which of the following is MOST reactive?

Magnesium

Lead

Tin

Copper

Zinc

Which metal is more reactive than calcium?

magnesium

potassium

silver

aluminum

Choose the least reactive metal

calcium

magnesium

iron

copper

What does displacement mean?

A chemical reaction where a less reactive metal takes the place of a more reactive metal in a compound.

A chemical reaction where a more reactive metal takes the place of a less reactive metal in a compound.

A more reactive metal is removed from a compound.

Magnesium chloride + Sodium → ?

Sodium chloride + Magnesium

Magnesium chloride + Sodium (No change)

Sodium magnesium + Chlorine

Lithium chloride + Iron → ?

Lithium chloride + Iron (No change)

Iron chloride + Lithium

Lithium oxide + hydrogen

Zinc sulphate + Magnesium → ?

Magnesium + Sulphur + Hydrogen

Zinc sulphate + Magnesium

Magnesium sulphate + Zinc

Iron nails + copper oxide → ?

Iron nails + copper oxide

Iron oxide + copper oxide

Iron oxide + copper

Magic

Which one of the following equations correctly represents the reaction of silver nitrate with copper metal?

CuNO₃(aq) + Ag(s) → Cu(s) + AgNO₃(aq)

Cu(s) + 2 AgNO₃(aq) → Cu(NO₃)₂(aq) + 2 Ag(s)

Cu(s) + AgNO₃(aq) → CuNO₃(aq) + Ag(s)

Cu(s) + Ag(NO₃)₂(aq) → Cu(NO₃)₂(aq) + Ag(s)

10.

When scrap iron is added to blue copper sulphate solution, a pinky-brown deposit is formed and a pale green solution is left above it. The pale green solution is of?

iron oxide

copper chloride

sulphuric acid

iron sulphate

11.

If the metal is more reactive than the metal in the compound it completes with the less reactive metal. Therefore, it can concluded that ...

The less reactive metal repel the more reactive metal from its compound

The more reactive metal bonded with the less reactive metal from its compound

The less reactive metal pushes out or displaces the more reactive metal from its compound

The more reactive metal pushes out or displaces the less reactive metal from its compound

12.

What will be reaction if less reactive metal is added in a solution with more reactive metal compound?

vigorous reaction

fizzing gas produced

burns moderately

no reaction

13.

Which of the following will not undergo reaction?

zinc metal + zinc oxide

iron metal + copper oxide

zinc metal + iron oxide

magnesium + iron oxide

14.

15.

16.

The least reactive in oxygen in this list is

iron

zinc

copper

lead

17.

Which one of the following metals reacts most vigorously with cold water?

Sodium

Magnesium

Copper

Zinc

18.

Will silver react with magnesium chloride solution?

yes

19.

Aluminium is more reactive than ....

Calcium and Zinc

Sodium and Gold

Magnesium and Copper

Lead and Iron

20.

Hydrogen is more reactive than the following metals except .....

Lead

Copper

Aluminium

Mercury

21.

Which metal reacts slowest with acid?

Copper

Iron

Zinc

Magnesium

22.

Acid + Metal --> ?

Salt + Water

Salt + Hydrogen

Salt

Hydrogen

23.

The correct order of electrical conductivity is

Al>Au>Ag>Cu

Cu>Ag>Al>Au

Ag>Cu>Au>Al

Au>Ag>Al>Cu

24.

The order of reactivity with oxygen is in the order

Zn > Al > Mg > Fe

Al > Mg > Fe >Zn

Mg >Al > Zn >Fe

Fe >Mg >Al > Zn

25.

Study this and answer :Metal reactivity series is given below:

K >Na >Ca >Mg >Al>Zn>Fe>Ni>Sn>Pb>H>Ag>Au>Pt

Identify the correct decreasing order of metals in the activity series given below:

Ca, Mg, Ni, Fe

Ni ,Ca ,Mg, Fe

Ca ,Mg ,Fe, Ni

Mg, Ca, Fe, Ni

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chemistry Test - reactivity

Total questions: 25

Worksheet time: 15mins

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