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HACTEHA [7]
3 years ago
14

Why is it necessary to wear safety goggles and a lab apron while performing experiments in the lab?

Chemistry
1 answer:
kati45 [8]3 years ago
5 0

Answer,googles helps that no chemical will come into contact with your eyes while an apron prevent your clothes being in touch with your clothes

Explanation:

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Why do the two elements silver and iron have different properties?
Firdavs [7]
Elements in same group / family tend to have similar properties ( but not exactly the same). Since, iron and silver are in two different group / families, they have different properties.

Also, Silver and iron have different properties because they have different atomic structure. Having different atomic structure means bonding differently with other elements. So, they have different properties.

4 0
3 years ago
Engineers increase output in crop production by combining the strengths of
katrin [286]

Answer:

Cross-pollination

Explanation:

This technique is used to create new varieties, usually with stronger characteristics than the two original varieties. When the pollen of <u>one variety</u> is placed to a <u>different plant's stigma</u>, the resulting seeds create a new variety. This cross-pollination is used in plants of the same species.  

5 0
3 years ago
Select the correct image.
masya89 [10]

Answer:

A

Explanation:

In all the other options either Carbon has more than 4 atoms attached or less than 4.

Carbon can not form more than four bonds. It can only share 4 electrons .

In other option C, No H-atom is linked in the right most Carbon.

whereas according to the definition of Hydrocarbon it should have been a Hydrogen atom.

3 0
3 years ago
How humans can utilise the carbon cycle
Advocard [28]

Explanation:

Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere

5 0
2 years ago
Which of the following statements about elements is not true?
guapka [62]

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Option A is not true

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6 0
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