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lesantik [10]
3 years ago
11

No pure elements are liquids at room temperature.

Chemistry
1 answer:
Luden [163]3 years ago
8 0
Mercury and Bromine are liquid at room temperature.
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Why potassium by sulphite or KHSO4 donot preserve meat
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Postassium bisulphate - KHSO4 - can be used as an food preservative to protect the food from micro-organisms.

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Predict the products and write balanced net ionic equations for the following reactions. (g) SnCl2 is added to KMnO4 solution (a
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Answer:

The answer to your question is:

Explanation:

Reaction

                  SnCl₂    +    2KMnO₄     ⇒    2 KCl     +    Sn(MnO₄)₂

                                               1 ----   Sn ----  1

                                               2 ----   K  ----- 2

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                                               8 ----    O ----  8

                                               2 ----   Cl ----  2

6 0
3 years ago
Tropical rain forests are being cut down to create farms and pastures, and to harvest trees for construction. What has this type
Mrrafil [7]

The deforestation of tropical rainforest trees to create farms and pastures, and to harvest trees for construction has increased soil erosion.

<h3>WHAT IS DEFORESTATION:</h3>
  • Deforestation is the process whereby trees are cut down for commercial purposes e.g. lumbering for paper production.

  • Rainforest is a vegetation characterized by trees and shrubs. However, these trees serve as soil cover and help prevent soil erosion.

This means that deforestation of tropical rainforest trees to create farms and pastures, and to harvest trees for construction has increased soil erosion

Learn more about deforestation at: brainly.com/question/11697527

5 0
2 years ago
Janel’s class studied properties of matter and how matter can change. Janel decided she would do an experiment mixing baking sod
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3) Chemical reaction: </span>NaHCO₃ + CH₃COOH → CH₃COONa + CO₂ + H₂O.
Jane should see bubbles of carbon(IV) dioxide.
4) sodim acetate (CH₃COONa) is solid and carbon dioxide (CO₂) is gas.
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6 0
3 years ago
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