Match the best method to separate the parts of each boil the water. collect the solid. dissolve salt in water. pour through filter paper and collect the sand. remove iron filings with magnet. use a screen to sift and separate the big pieces from smaller pieces. pick out the bigger particles. add water and float one type of particle. answeres l l l l l v sand and salt gravel and rocks sand and gravel sand and iron filings sand and wood shavings sugar water

A. Boil the water. Collect the solid. - 6. Sugar water.

B. Dissolve salt in water. Pour through filter paper and collect the sand. - 1. Sand and salt.

C. Remove iron filings with magnet. - 4. Sand and iron filings.

D. Use a screen to sift and separate the big pieces from smaller pieces. - 3. Sand and gravel.

E. Pick out the bigger particles. - 2. Gravel and rocks.

F. Add water and float one type of particle. - 5. Sand and wood shavings.

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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stan bts

substituting a hydrogen atom with a halogen in a hydrocarbon:

- the single bond remains single. a is wrong.

- the bond with hydrogen is as strong as with a halogen. c is wrong

- a hydrocarbon is saturated if there is no double bond. we do not know that so d is wrong.

- carbon will always have four valence electrons. e is wrong.

by elimination, the correct answer is b. the boiling point of the new compound increases.