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irakobra [83]
3 years ago
8

What are two types of matter are pure substances

Chemistry
1 answer:
Marta_Voda [28]3 years ago
4 0

Answer:

Elements and compounds are two types of pure substances.

Explanation:

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jek_recluse [69]
Uhhh, that looks like a game. I don't know how to tell u the answers for that thing -_-
6 0
3 years ago
Which property of potential energy distinguishes it from kinetic energy?
Svet_ta [14]
B. position.

Potential energy is associated with position.
3 0
3 years ago
1. Write the name of any four chemical preservatives mixed with readymade<br>Food.​
Inga [223]

Answer:

There are many different types of preservatives like Benzoic acid, Calcium Sorbate, Erythorbic Acid, Potassium Nitrate and Sodium Benzoate. Some act like antioxidants used for slowing down spoilage like Ascorbyl Palmitate, Butylated Hydroxy anisole (BHA) and Butylated Hydroxytoluene (BHT

4 0
2 years ago
Complete the following statements to describe solids, liquids, and gases. Select the correct answer from each drop-down menu.
masya89 [10]

Answer:

Explanation:

Complete the following statements to describe solids, liquids, and gases. Select the correct answer from each drop-down menu.

3 0
2 years ago
3- Fully folded proteins typically have polar side chains on their surfaces, where electrostatic attractions and hydrogen bonds
Elden [556K]

Answer:

Option C= A hydrogen bond formed between a polar side chain and a hydrophobic side chain.

Explanation:

All three given options a, b and d have common mechanism to accommodate the polar amino acid.

A= A hydrogen bond forms between two polar side chains.

B= A hydrogen bond from between a polar side chain and protein back bone.

D =  hydrogen bond form between polar side chains and a buried water molecules.

All these are use to accommodate the polar amino acid.

While option C is not used. which is:

A hydrogen bond formed between a polar side chain and a hydrophobic side chain.

5 0
3 years ago
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