Unit 9 Acids and Bases Quiz (Timed)

An acid has a pH 

• Greater than 7
• Greater than 14
• Less than 7
• From 7-14

Acids have a _____ taste.

• Sour
• Bitter
• Sweet
• Spoiled

Bases are

• Slippery
• Sour
• Sweet
• Spoiled

What are properties of acids?

• Bitter, slippery, ph above 7
• Sour, reacts with metals, ph below 7
• Sour, reacts with metals, ph above 7
• Bitter, ph of 7, does not react with metals

Tags

NGSS.MS-PS1-2

Drain cleaner has a pH of 13. What is drain cleaner?

• An acid.
• A strong base.
• Neutral.
• A weak base.

BASE + ACID ----> SALT +?

• water
• oxygen
• hydrogen ion
• hydroxide ion

What is the name of this ion: H₃O⁺?

• helium ion
• hydrogen ion
• hepatic ion
• hydronium ion

Salt water did not react with the Red or Blue litmus paper.  This must mean

• Salt water is a Base
• Salt water is an Acid
• Salt water is neutral
• Salt water is charged

Which one of the following statements about strong acids is TRUE?

• Strong acids are 100% ionized in water.
• The conjugate base of a strong acid is a strong base.
• Strong acids are very concentrated acids.
• Strong acids produce solutions with a higher pH than weak acids. 

Tags

NGSS.HS-PS1-1

Bronsted-Lowry stated that bases are:

• hydrogen doners
• hydrogen recievers
• hydrogen producers
• hydrogen destroyers