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SSSSS [86.1K]
3 years ago
5

Cryolite is an ore of aluminium used in the extraction of aluminium from bauxite;

Chemistry
1 answer:
umka21 [38]3 years ago
6 0
Don’t know because i did not have this question
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Distinguish between zinc nitrate and lead nitrate ​
Kobotan [32]

Answer:

Zinc nitrate gives white ppt. which dissolves in excess ammonium hydroxide and produce a colorless solution whereas lead nitrate gives a chalky white ppt. of lead hydroxide which doesnot dissolve.

Explanation:

Hope this helps :)

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3 years ago
Which shows the correct order of increasing trophic level, from producer to tertiary consumer?
polet [3.4K]

Answer:

Grass, deer, wolf, fungi.

Explanation:

The tropical level of an organism is defined as the position of organism occupied in the food chain. The food chain is starts from tropical level one which is primary producers (such as plants), then move to herbivores (such as deer) in level two, carnivores, (such as wolf) at level three, apex predators in level four (such as lions), and it ends in decomposers such as fungi.

Fungi play important role in ecosystem to help in breakdown of dead organic matter and return nutrients to the soil. Without fungi nutrients cannot cycle in an ecosystem, and causing the breakdown of entire food web.

6 0
3 years ago
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Kay [80]

Answer:

Can you post the pic to it so I can give you more info?

Explanation:

5 0
3 years ago
Cuántos moles de oxígeno se requieren para reaccionar con 8 moles de etanol?
Taya2010 [7]

Answer:

the idea is that help with example and a few more years will help them get the idea that the world will have a good 5th 6AM and the rest is the way it good to girl the new world and you are a good person who can be the first of all to do that he will have a great time and I was happy to be able and happy to see his in plants that are very important to girl and his family and friends are you to girl the best way of doing it is a great deal for a person to have the best interests you are doing in your no time job as you can be in plants and you are a great person who is happy birthday to the family you can be happy to see in your family but take a little more to the job

5 0
2 years ago
Which type of change does the statement describe? Someone help fast
grandymaker [24]

Explanation:

bottom right = physical change

top left = chemical change

top right = physical change

bottom left = chemical change

<h3>A physical change is a change that goes from one form to another and physical changes can be reversed</h3><h3>example: water to ice or air to water</h3><h3 /><h3>A chemical change is when a substance combines with another substance and when it is combined it cannot be reversed</h3><h3>example: burning and or rusting</h3>

7 0
3 years ago
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