What effect does carbon dioxide have on tap water
2 answers:
Answer:
It will decrease the pH of the water.
Explanation:
When carbon dioxide gets dissolved in water, it changes its pH.
The pH of water will become acidic.
In dissolved state, carbon dioxide forms carbonic acid with water as shown in the equation.
This carbonic acid gets dissociated as shown in equation.
Due to increase in concentration of hydrogen ion, the pH of water decreases.
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Answer: The correct option is 2.
Explanation: There are two types of nuclear reactions:
1) Nuclear fission: These reactions are defined as the reactions in which a heavier unstable nuclei breaks into two or more smaller stable nuclei.
2) Nuclear fusion: These reactions are the ones where two smaller nuclei fuse together or combine together to form a larger nuclei.
In the question, we need to find the fusion reaction which forms elements heavier than helium.
Option 1: In this fusion reaction occurs but the nuclei is Helium itself.
Option 2: In this also fusion reaction occurs and the nuclei is heavier than Helium which is Neon.
Option 3 and Option 4: These two reactions are nuclear fission reactions of Uranium-235 because one heavier element is breaking into more than 2 products.
Hence, the correct option is 2.