Decide whether or not the following reactions are possible (use your reactivity series to help you)
1. Copper + zinc sulphate copper sulphate + zinc

2. Iron + gold nitrate iron nitrate + gold

3. Potassium + copper sulphate potassium sulphate + copper

4. Iron + lithium sulphate iron sulphate + lithium

What is important to study for nios grade 12 chemistry? i have only one month left.

What is the molar mass of a gas that has density of 2.054 g/l

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space