Question

$\huge\bold{\underline{\underline{{Questions:-}}}}$

1. Who is honored as Father of Modern Chemistry?

2.Which is the most abundant gas in the earth's atmosphere?

3.Who invented periodic table? =_=

4.Which toxic element present in automobile exhausts?

5.What is the toxicity caused by silicon called?

6.What is the name given to plastics that cannot be recycled?

7.What is the chemical name of baking soda?

8.What is the element present on lead pencils

9.Which chemical is called Chile Salt peter?

10.What is the biological polymer in paper?




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Answer 1

1. Lavoisier is considered the “father of modern chemistry.” In 1777, he was the first to establish that sulfur was an element, not a compound. In 1778, he named oxygen and in 1783 he named hydrogen.

2.By far the predominant gas is carbon dioxide, making up 95.9 percent of the atmosphere's volume. The next four most abundant gases are argon, nitrogen, oxygen and carbon monoxide

Answer 2

Answer:

1. Jöns Jacob Berzelius
2. Nitrogen
3. Dmitri Mendeleev
4. Carbon monoxide, sulphur dioxide, nitrogen oxyde
5. Silicosis
6. Themosets
7. sodium hydrogen carbonate
8. graphite and the element called carbon
9. sodium nitrate
10. cellulose

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