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ZanzabumX [31]
3 years ago
11

Why is Ca(OH)2 alkali?

Chemistry
1 answer:
Mashcka [7]3 years ago
4 0
Honestly I also have a question... Why is an elementary student learning high school level science. Back to the answer now; <span>An alkali is a basic hydroxide or </span>ionic salt of an alkali metal or alkaline earth metal element,<span> which is soluble in water. Hope this helped</span>
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The atom theory has been around since the 19th centry 
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3 years ago
A student calculates that the volume of his textbook is 991.880 cm3. what is the volume written with 3 significant figures?
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The volume of the textbook calculated by the student written to 3 significant figures is 992cm³

  • According to this question, a student calculates the volume of his textbook and arrived at an answer of 991.880 cm³.

  • To round up this digit to 3 significant figures, which means that only 3 significant numbers should appear in the answer.

  • To do this, the number after the third number is 8, which means we can round up the value of 1 to 2. Hence, the volume of the textbook calculated by the student is 992cm³ in 3 s.f.

Learn more at: brainly.com/question/16563962?referrer=searchResults

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2 years ago
A baseline for an experimental investigation is provided by the
Rina8888 [55]
A baseline for experimental investigation is provided by an hypothesis. This is a must before conducting experiments. Also, it is the hypothesis that is being proved by doing the experiments. So, hypothesis is very important in research studies. Hope this answers the question.
8 0
3 years ago
Read 2 more answers
I NEED HELP PLEASE!!!!!
lisov135 [29]
Atoms can be divided more so thats not true. atoms from the same element arent all nesacarly identical because of isotopes
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Which two come together to form an ionic bond?
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\huge \fbox \pink {A}\huge \fbox \green {n}\huge \fbox \blue {s}\huge \fbox \red {w}\huge \fbox \purple {e}\huge \fbox \orange {r}

<u>b. a positive cation and a negative anion</u>

✏ Anions are negative in nature while cations are positive in nature. Together they come together by an attractive electrostatic force to form an ionic bond.

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

\huge\blue{ \mid{ \underline{ \overline{ \tt ꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐ }} \mid}}

6 0
2 years ago
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