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Dmitry_Shevchenko [17]
3 years ago
14

D

Chemistry
1 answer:
maksim [4K]3 years ago
7 0

Answer:

can you provide a picture?

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What is the definition of <br> incandescence?
Vilka [71]

Answer:

the emission of visible light by a body, caused by its high temperature.Compare luminescence.

the light produced by such an emission.

the quality of being incandescent.

5 0
2 years ago
Non-living factors in an ecosystem are ______.
mash [69]

Answer:

B. abiotic

Explanation:

in biology and ecology, abiotic components or abiotic factors are non living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.

5 0
2 years ago
How many bonds are present in Cl20?<br> a. 2<br> b. 4<br> c. 1<br> d. 3
steposvetlana [31]

Answer:

A. 2 bonds

Explanation:

If you see a charch of ci20 it would easily show the answer.

8 0
3 years ago
By what process do electromagnetic waves release from the materials they contact?
Rudik [331]

Answer:

The photoelectric effect

Explanation:  hope it helps

5 0
3 years ago
2nd part of the other one plz help
Natalija [7]

18. Reaction will occur.

19. Reaction Will occur.

20. Reaction will occur.

21. Reaction will occur.

22. Reaction won't occur.

23. Reaction will occur.

24. Reaction will occur.

25. Reaction won't occur.

<h3><u>Explanation</u>:</h3>

The reaction rate of the metals with water, steam, acid, or hydroxides or their inert behavior towards them are noted in the metal activity series.

It contains all the metals one after the other which and the upper metal can replace the lower metal from its salt.

Calcium can replace hydrogen from acid, so the reaction will occur in 18. The products formed are calcium phosphate and hydrogen gas.

Chlorine is more reactive than bromine. So it can replace bromine from its salt to from bromine gas and magnesium chloride.

Aluminium can replace iron from its salt. So it will form aluminium oxide and iron metal. This reaction is used to obtain iron from ores.

Zinc can replace hydrogen from acid. So the products will be zinc chloride and hydrogen gas.

Chromium cannot displace hydrogen form water. So the reaction won't occur.

Tin can replace hydrogen form acid. So the reaction will proceed.

Magnesium will replace platinum from its salt. So magnesium oxide and platinum will form.

Bismuth cannot replace hydrogen from acid. So the reaction won't proceed.

4 0
3 years ago
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