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Ammonia reacts with copper(II)ions to precipitate light blue copper hydroxide. Ammonia causes the copper ion to go back into the solution as a deep blue ammonia complex. The precipitate dissolves as we add an excess of ammonia.
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Answer: true
Explan Which statement about quantum numbers is NOT correct?a Two or more electrons in an atom canhave the same set of quantum numbers.Quantum numbers describe the orbitals of an atom.сQuantum numbers describe the locationof each electron in an atom.dQuantum numbers describe the energy of each electron in an atom.
Carbon 14 dating makes some assumptions that are not exactly true, but likely close enough for most purposes. 1 that the ratio of carbon 13 to carbon 14 in Earth's atmosphere has not changed over the last million years. 2 that living things give zero preference to carbon 13 over carbon 14.
3 Carbon 14 dating is often unreliable for rocks which have low carbon content, such as quartz, and some other assumptions.
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ITS 
AND 
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GENERAL FORMULA OF ALKANE</u></h3><h3>
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Where n is the number of CARBONS
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A)
By using the General Formula of Alkanes having 4 carbon atoms is
C)
By using the General Formula of Alkanes having 5 carbon atoms is
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IF YOU USE THE SAME FORMULA FOR THE OTHER TWO OPTIONS THE OUTCOME WILL NOT BE AS SAME AS GIVEN IN THE QUESTION SO THOSE TWO ARE CAN NOT BE OUR ANSWER
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HOPE THIS HELPS!</h2>
