Answer:
In the presence of a base, blue litmus paper will turn red........
Answer: You should learn the symbols for the eight most abundant elements in the Earth's crust (Oxygen (O), Silicon (Si), Aluminum (Al), Calcium (Ca), Iron (Fe), Magnesium (Mg), Sodium (Na), and Potassium (K) .
Explanation:
I think you meant K as in kilograms?
If so, the answer should be 0.0052.