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nevsk [136]
3 years ago
10

1. A pure substance is a chemical substance that has the same composition throughout. There are two

Chemistry
1 answer:
marin [14]3 years ago
3 0

Answer:

Option D. Iron and sulfur react to form iron sulfide

Explanation:

Reaction of iron with sulphur is a chemical property and not a physical property.

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Help pls!!!!!!!!!!!!!​
UkoKoshka [18]

Answer:

1.   C + O₂ → CO₂

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4 0
2 years ago
BRAINLIESTTT ASAP! PLEASE HELP ME :)
Karo-lina-s [1.5K]
I think I would agree on horses, just because you can take them for lessons, ride them treat them like a pet. Donkeys you can’t ride but you can have as a pet. Horses you can make money off, like races, but aren’t influenced. You can rent out horses to people that don’t have anywhere to place them.
7 0
3 years ago
Which of the following do water, rust, and salt have in common?
Cloud [144]
The answer is "elements" :)
6 0
3 years ago
Read 2 more answers
A solution with a [H+] of 1.22x10-3M has a pH of _____________________.
Kryger [21]

Answer:

2.91

Explanation:

pH=-log(H3O+)

- Hope that helps! Please let me know if you need further explanation.

7 0
3 years ago
Based on the activity series, which metals could X represent in the reaction below? (Note: The equation is not balanced.)
Nikitich [7]
Answer is: A) Sr (strontium).
The reactivity series<span> is a series of metals from highest to lowest reactivity.</span><span> Metal higher in the reactivity series will displace another.
</span>Strontium is only higher in this group from magnesium. Strontium is stronger reducing agent than magnesium, gives electrons easier.
3 0
3 years ago
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