Phys. Science - Chapter 6 Pre-Assessment

Match the following

• solvent

• a number placed before a formula in a chemical equation is called a

• product

• A substance formed in a chemical reaction

• solution

• any change in which substances turn into other substances is called a _________

• coefficient

• a mixture in which one substance is dissolved in another is called a _________

• chemical reaction

• a substance that dissolves another is called a _______

Match the following

• chemical equation

• a substance that is dissolved in another is called a _______

• solute

• The ____________ states that material cannot be created nor destroyed in any chemical change

• reactant

• a ________ uses symbols, formulas, and numbers to stand for a chemical reaction

• mixture

• a combination of substances in which no reaction takes place is called a ________

• law of conservation of matter

• a substance that changes to produce another substance is called a ________

Tags

NGSS.MS-PS1-5

2SO3→2SO2 + O2 is a...

• synthesis reaction

• decomposition reaction

AgNO3 + NaI → AgI + NaNO3 is a...

• single replacement reaction

• double replacement reaction

Zn + SnCl2 → ZnCl2 + Sn is a...

• single replacement reaction

• double replacement reaction

Tags

NGSS.MS-PS1-5

C + O2 → CO2 is a...

• synthesis reaction

• decomposition reaction

Tags

NGSS.MS-PS1-5

In the reaction C + H2O → CO + H2 , the reactants are ___________

• C and CO

• C and H2O

• CO and H2

• H2 and H2O

When sugar is dissolved in water, __________________

• Water is the solute

• sugar is the solvent

• sugar is the solute

• there is no solvent

The coefficients in the expression 5Na2HPO + 3C6H10 are ________________

• 2, 4, 6, and 10

• 3 and 2

• 5, 2, 1, and 4

• 5 and 3

Tags

NGSS.MS-PS1-5