Answer:
Option C
Explanation:
Litmus paper shows only whether the solution is acidic or basic, but not how strong it is.
=> Base turns the red litmus paper blue
=> Acid turns the blue litmus paper red.
Explanation:
Atomic number (Z) = Number of the protons
It means that if the atomic number of C is 6, it implies that the number of protons in carbon is 6 too.
Mass number (M) = Number of the protons + Number of the neutrons
It means that if the atomic mass of C is 12, it implies that the number of protons and the neutrons in carbon is 12.
Answer:
SbCl5
Antimony pentachloride
Antimony pentachloride is a chemical compound with the formula SbCl5.
- wikipedia
Answer:
I believe the correct answer is D.
Explanation:
You are breathing in dinitrogen and dioxygen. You exhale dinitrogen and carbon dioxide. And the atmosphere contains traces of other gases. You drink water. You have a wash with water, and soap. You eat carbohydrates and proteins. You ride to work on a vehicle powered by hydrocarbons, which spits out carbon dioxide exhaust fumes, and also some nitrogen oxides. And so your exposure to chemicals is pervasive, and unavoidable.
