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saveliy_v [14]
3 years ago
12

An element which forms an oxide that dissolves in water to form an acidic solution.

Chemistry
1 answer:
zzz [600]3 years ago
8 0

Answer:

An Alkaline solution should be the answer to that.

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Minerals are very useful to us. Which of the following is a false statement? Question options: Pyrite is an ore of gold and is u
lilavasa [31]

Answer:

The false statement is :

  • Pyrite is an ore of gold and is used in jewelry making.
  • Cobalt is not used in medicine.

Explanation:

Pyrite is an ore of iron sulfide found on the Earth and in coal, limestone and in many deposits of metallic ores. Due to its luster and pale yellowish color it appears as gold due to which it is also termed as Fool's gold.

It is used in firearms , in production of sulfur dioxide gas, etc.

Cobalt is used as medicine to treat cancer patient. Co-60 is used in treatment of cancer in which gamma rays produced by Co-60 are used  to kill tumor cells in a cancer patient.

Where as talc is used in industries like : paper making, food, paints, plastics etc. Quartz is primary material used to prepare glass and cobalt is used as

4 0
3 years ago
Convert 3.2 ft^2 to square inches
tangare [24]

460.8 square inches

3.2 * 144 = 460.8

6 0
3 years ago
Which of the following statements describes the elements in family 16 of the periodic table
gtnhenbr [62]
They have six valence electrons
3 0
3 years ago
What is the 10% energy rule?
Brut [27]
<span>What is the 10% energy rule?</span>

The 10% energy rule means that when energy is passed into the ecosystem from one trophic level into the next, only ten percent energy will be passed on. 

5 0
3 years ago
Why is boiling point for carbon tertrachloride igher than methanol?
Kryger [21]
Carbon tetrachloride looks like this

Cl
Cl-C-Cl
Cl

Whereas methane looks as so,

H
H-C-H
H

——————————————————————
In structure/geometry, they’re the exact same. They have the same surface area, and neither one is polar.

The only attribute to the difference in boiling points is the total molecular weights of the atoms

CH4 is MUCH lighter than CCl4, making the molecules easier to float around.
8 0
3 years ago
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