Which of the following is a physical change. A piece of magnesium metal formed bubbles when dropped in acid

H2O became a vapor when heated

A green chili rotted when left outside

Sodium metal burned with water

684g of sucrose used how much ethanol

Evidence that best supports the theory of biological evolution was obtained from the

What are two beneficial uses of ultraviolet rays

Which of the following statements is not true? O Negatively charged objects attract other negatively charged objects. o Positively charged objects attract negatively charged objects. Positively charged objects attract neutral objects.

What are two things through which water moves

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda