z_o_e
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Lets ask questions.

What are hydrocarbons?
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j3ss1cah
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A mixture of carbon and hydrogen atoms chemically bonded as compounds? Is that right
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j3ss1cah
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What is an advantage of a biofuel?
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z_o_e
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(Original post by j3ss1cah)
What is an advantage of a biofuel?
-Carbon neutral.
-renewable


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z_o_e
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(Original post by j3ss1cah)
A mixture of carbon and hydrogen atoms chemically bonded as compounds? Is that right
Yes!!

Q) Give properties of copper?

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j3ss1cah
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(Original post by z_o_e)
Yes!!

Q) Give properties of copper?

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Good conducted of electricity, can be purified by electrolysis, is a transition metal. Is it flexible/easily bent?
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z_o_e
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(Original post by j3ss1cah)
Good conducted of electricity, can be purified by electrolysis, is a transition metal. Is it flexible/easily bent?
Yepp and do not react with water.

Q) What is a mixture?

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j3ss1cah
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(Original post by z_o_e)
Yepp and do not react with water.

Q) What is a mixture?

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Combination of two different elements to create a new one.

What was the primordial soup theory?
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HyperVoxel
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(Original post by z_o_e)
Lets ask questions.

What are hydrocarbons?
What is an independent company?
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TheOtherSide.
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(Original post by HyperVoxel)
What is an independent company?
:facepalm:
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suhaislam
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(Original post by z_o_e)
Lets ask questions.

What are hydrocarbons?
Compounds made up of hydrogen and carbon atoms.
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username2574405
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Why can limestone be used to neutralise acidic soil?
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TheOtherSide.
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(Original post by alyxgower)
Why can limestone be used to neutralise acidic soil?
'Tis alkaline. :yep:
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Anmol_.
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(Original post by alyxgower)
Why can limestone be used to neutralise acidic soil?
Because it's an alkali
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Anmol_.
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Name one property of a short molecule
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z_o_e
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(Original post by j3ss1cah)
Combination of two different elements to create a new one.

What was the primordial soup theory?
Methane, co2, water vapour, ammonia collected
Electric shock produced amino acids.
Life was formed from amino acids (protiens)

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j3ss1cah
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(Original post by alyxgower)
Why can limestone be used to neutralise acidic soil?
Limestone reacts with water to make calcium hydroxide that is an alkali which neutralises lakes
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z_o_e
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(Original post by Anmol_.)
Name one property of a short molecule
low viscosity

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username2574405
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(Original post by Anmol_.)
Name one property of a short molecule
They have a lower boiling/melting point
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What evidence did Wegener find to support his idea of continental drift?
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