Reactivity Series

Q.

What happens when sodium reacts with water?

Q.

What happens when a Zinc Strip is dipped into a Copper Sulphate Solution.

1)Write the equation for the reaction that takes place.

2) Name the type of reaction involved.

Q.

How do metals react with oxygen?

Q.

Al + HCl -

Q.

Hydrogen is not a metal then why is it kept in the reactivity series?

Q.

Why are alkali metals highly reactive in air?

Q.

How can I learn the reactivity series? (Explain the mnemonic of Please Stop Calling me a Zebra)

Q.

Which of the following reactions are not feasible?

1. $Mg+2HCl\to Mg{H}_2+C{l}_2$

2. $2Mg+O_2\to 2MgO$

3. $Fe+2HCl\to FeC{l}_2+H_2$

4. $Au+2HCl\to AuC{l}_2+H_2$

Q.

Do alkali metals react with water ?

Q.

Which metal is less reactive : copper or iron ?

Q.

Which metal is more reactive : iron or zinc ?

Q.

Can copper displace iron from iron sulphate solution ? Give reason for your answer.

Q.

Why is sodium stored in kerosene while phosphorus is stored in water?

Q. Which among the following is the least reactive metal?

1. Iron
2. Potassium
3. Zinc
4. Gold

Q.

When iron nails are dipped in a copper sulfate solution, the blue color of the solution disappears, and the solution turns green.

1. True

2. False

Q.

Name the least reactive metal.

Q.

The least reactive metal among the following is:

(a) magnesium

(b) lead

(c) silver

(d) sodium

Q.

What happened when iron nail are placed in copper sulphate solution ? write word equations of all the reaction taking place in this process .

Q. Assertion: Sodium reacts vigorously with cold water but magnesium does not react with cold water.
Reason: Sodium is more reactive than magnesium.

1. Assertion: True, Reason: False
   
   Reason is not the correct explanation of assertion.
2. Assertion: True, Reason: True
   
   Reason is the correct explanation of assertion.

3. Assertion: False, Reason: False

4. Assertion: False, Reason: True

Q. The oxides of active metals like potassium, sodium, aluminium, calcium and magnesium do not get reduced by hydrogen into their corresponding metals.

1. True
2. False

Q.

Name two metals that can displace hydrogen from dilute acids to form metal salts and hydrogen gas.

Q. Question 4 (b)
Sodium is a very reactive metal. (True/False)

Q.

What would you observe when a strip of zinc is placed in copper sulphate solution ? Write a word equation of the reaction which takes place.

Q.

The metal used in fireworks since it burns with a dazzling white light is -

1. zinc.

2. calcium.

3. mercury.

4. magnesium.

Q.

Is hydrogen a halogen

Q. What happens when sodium reacts with water?

Q.

Does platinum lose its shine?

Q. Name a metal that replaces silver from silver nitrate solution

Q.

How do metals react with oxygen?

Q. Beakers A, B, and C contain zinc sulphate, silver sulphate, and ferrous sulphate solutions respectively. Copper filings are added to each beaker. Blue colour will appear in which of the following beakers?

1. Beaker A
2. Beaker B
3. Beaker C
4. All the beakers