Practice Important S-block Elements (focus For Class 8) (10.4)

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9 questions

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6 sample questions

Question 1.
What is the chemical symbol for Sodium?
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Look for the letter 'N' and 'a' in the periodic table.
Question 2.
Is Calcium a metal or a non-metal?
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Check its position in the periodic table.
3Question 3.
What element is known as Na?
- Potassium
- Sodium
- Calcium
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Look at the periodic table for the symbol.
4Question 4.
True or False: Calcium reacts vigorously with water.
- True
- False
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Recall the reaction rates of Calcium and Sodium.
Question 5.
Explain the significance of storing Sodium in kerosene and provide an example of a situation where improper storage could lead to danger.
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Consider the properties of Sodium and how it reacts with water.
Question 6.
Draw the reaction of Calcium with water and explain the implications of this reaction in everyday applications.
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Think about the balance of the reaction and the safety involved with Calcium.

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