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Liono4ka [1.6K]
3 years ago
11

Many common substances may be classified as acids or bases. Which of

Chemistry
1 answer:
Tema [17]3 years ago
4 0

Answer:

Bleach is more basic while human blood is slightly basic

Explanation:

The higher the number on the pH scale, the more basic. Therefore, since bleach's number is higher than the blood, it is more basic.

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As we move down the group, the metallic bond becomes more stable and the formation of forming covalent bond decreases down the group due to the large size of elements.

Covalent and metallic bonding leads to higher melting points. Due to a decrease in attractive forces from carbon to lead there is a drop in melting point.

Carbon forms large covalent molecules than silicon and hence has a higher melting point than silicon.

Similarly, Ge also forms a large number of covalent bonds and has a smaller size as compared to that of Sn. Hence melting point decreases from Ge to Sn.

The order will be C>Si>Ge>Pb>Sn.

To learn more about the covalent bond, visit: brainly.com/question/10777799

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