Blue litmus paper turns red in the presence of an acid. Therefore, it can be assumed that the substance in the beaker is an acid.
Acids have a pH level of less than 7. Consequently, it can be assumed that the substance has a pH level less than 7.
When an atom gains two electrons, it becomes increasingly negative. In a neutral atom, there is the same number of protons and electrons to keep the atom charge free. By adding two electrons, you have thrown off the balance, making the atom negative
Answer:
Since AlCl3 sublimes and NaCl does not sublime sublimation process will separate the two. Heat the mixture, aluminium chloride sublimes into vapour and forms the sublimate on the cooler parts of heating tube sodium chloride will remain at the bottom of the heating tube.
Explanation:
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Protein is <span>the molecule that is a polymer of a minimum of 50 monomers of amino acids.
</span><span>Proteins are essential nutrients for the human body. They are one of the building blocks of body tissue, and can also serve as a fuel source.</span>
The correct answer is c
No because the amount of light absorbed
