Answer:
magnesium
Explanation:
because zinc does not react with water because it too forms a protective layer of insoluble.
Answer:
Coal is classified as a nonrenewable energy source because it takes millions of years to form. Coal contains the energy stored by plants that lived hundreds of millions of years ago in swampy forests.
Answer: mass m = M·c·V
Explanation: M(CaCl2) = 110.98 g/mol, c= 0.15 mol/l,
n=m/M= cV, volume of Solution is not mentioned
.3333333 as a repeating decimal
Answer:
B
Explanation:
Energy is released, when a gas changes to solid
