Chemistry Unit 2: Question Preview (ID: 27008)


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Substances that can be used to determine whether a solution is an acid, a base, or neutral are called _________________.
a) base b) indicator c) acid d) pH
Oven cleaner is a highly caustic chemical that reacts with baked on foods. It is dangerous to the touch and has a very slippery feel. What is the likely pH of oven cleaner?
a) below 4 b) around 7 c) above 10 d) between 5 and 7
Pepsi, vinegar, orange juice: What property do all three of these common household substances have in common?
a) They are all acidic. b) They all taste bitter c) They all have a pH above 7 d) They all turn litmus paper blue.
Mixtures can be separated by physical means, such as, filtration, sifting, and ____________.
a) Mixtures b) Sanding c) Evaporation d)
In a _____________________ bond, the atoms are bound by shared valence electrons.
a) Covalent b) Ionic c) Shared d) Stolen
When metals bond with nonmetals they form _____________ bonds.
a) covalent b) ionic c) shared d) stolen
The temperature at which liquid changes into a gas.
a) chemical properties b) color change c) melting point d) boiling point
Water is heated and evaporates. What type of change is described?
a) energy change b) physical change c) nuclear change d) chemical change
To determine the density of a carton of milk, you would measure
a) its weight b) its length c) the mass and volume d) the length and vollume
What is the pH range of a base?
a) 0 - 3 b) 5 - 7 c) 0 - 6.9 d) 7.1 - 14
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