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WorksheetsCover page — no student questions present
Total questions: 37
Worksheet time: 19mins
Multiple Choice: Identify the choice that best completes the statement or answers the question. When acids react with which substance, carbon dioxide gas is produced and used to identify rocks?
Oxygen
Carbonate
Nitrogen
Argon
Multiple Choice: Identify the choice that best completes the statement or answers the question. A substance tastes bitter, feels slippery, and turns litmus paper blue. What type of substance is it?
Neutral
Acid
Base
None of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Litmus paper turns red when it is placed in an ----------- solution.
basic
neutral
acidic
salty
Multiple Choice: Identify the choice that best completes the statement or answers the question. An acidic substance is usually:
Bitter in taste and slippery
Sour in taste and produces H+ ions when dissolved in water
Slippery and turns red litmus blue
Neutral with no effect on indicators
Multiple Choice: Identify the choice that best completes the statement or answers the question. Which statement best describes an indicator?
A substance that speeds up chemical reactions
A substance that changes color in an acidic solution
A substance that dissolves solutes
A substance that reacts with bases to form salts
Multiple Choice: Identify the choice that best completes the statement or answers the question. What is the neutralization reaction?
It is reaction between acids
It is the reaction between acid and base
It is reaction between bases
None of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Citrus fruits and tomatoes are examples of ----------------------.
acids
bases
non-metals
metalloids
Multiple Choice: Identify the choice that best completes the statement or answers the question. What do acids primarily damage when they are described as corrosive?
Plastics
Non-metals
Metals
Glass
Multiple Choice: Identify the choice that best completes the statement or answers the question. Litmus paper can tell if a solution is acidic, neutral or basic by changing color when placed in a solution. If you test a base with litmus paper, it will turn ____________.
grey
red
white
blue
Multiple Choice: Identify the choice that best completes the statement or answers the question. When found in foods, what does a base taste like?
Sweet
Bitter
Sour
Salty
Multiple Choice: Identify the choice that best completes the statement or answers the question. Shampoo, bleach and soap are examples of -------------------.
water
acids
bases
all of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Salt formed from a neutralization reaction is a(n) ---------------- compound.
ionic
covalent
base
none of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Folic acid, which supports human cell growth, is mainly found in:
Citrus fruits
Dairy products
Red meat
Green leafy vegetables
Multiple Choice: Identify the choice that best completes the statement or answers the question. --------------- is found in stomach, helps in digestion.
Sulfuric acid
Citric acid
Hydrochloric acid
Nitric acid
Multiple Choice: Identify the choice that best completes the statement or answers the question. Jewelers use acids mainly to determine how --------- a precious metal is.
heavy
pure
soft
shiny
Multiple Choice: Identify the choice that best completes the statement or answers the question. Which of the following contain carbonate ions?
Eggshells
Seashells
Limestone
All the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. The properties of a base are often --------- to those of an acid.
Similar
Opposite
Identical
Unchanged
Multiple Choice: Identify the choice that best completes the statement or answers the question. ..................... is an ingredient of plant fertilizers.
Sulfuric acid
Phosphoric acid
Citric acid
None of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Sulfuric acid is commonly used as:
A food preservative
Battery acid
A household cleaner
A cooking ingredient
Multiple Choice: Identify the choice that best completes the statement or answers the question. Which substance is commonly found in household cleaners?
Folic acid
Nitric acid
Ammonia
Sodium hydroxide
Multiple Choice: Identify the choice that best completes the statement or answers the question. --------------- solution has a lot of solutes.
concentrated
diluted
lime
All of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Freezing point and boiling point of a solution are affected by ---------------.
Colloid
Concentration
Suspension
None of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Which of the following is an example of a suspension?
Salty water
Muddy water
Filtered orange juice
Sugar in water
Multiple Choice: Identify the choice that best completes the statement or answers the question. A mixture is formed when ------------- substance(s) is/are combined physically, not chemically.
one
two or more
zero
none of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Which of the following is an example of a solution?
Muddy water
Filtered grape juice
Sand in water
All of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Which type of mixture has components that can be clearly seen and easily separated?
Pure substance
Heterogenous mixture
Homogeneous mixture
Element
Multiple Choice: Identify the choice that best completes the statement or answers the question. A colloid is a type of mixture in which the tiny, undissolved particles -------------- when left undisturbed.
settle quickly when left still
remain evenly dispersed and do not settle
form large, visible clumps
dissolve completely in the liquid
Multiple Choice: Identify the choice that best completes the statement or answers the question. Which solutes stay as molecules in water, and which break into ions?
Pure solutes – Organic solutes
Molecular solutes – Ionic solutes
Organic solutes – Inorganic solutes
All of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Solubility refers to the amount of a solute that can -------- in a given amount of solvent.
Evaporate
Melt
Dissolve
Settle
Multiple Choice: Identify the choice that best completes the statement or answers the question. -------------- is the substance that needs to be dissolved in the solution while -------------- is considered the bulk of the solution.
Solute – solvent
Solvent – collide
Suspension – saline
None of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. What usually happens to the solubility of a solid when temperature decreases?
It stays the same
It usually increases
It usually decreases
None of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Which method is suitable for sorting out a mixture of sand and iron?
Using hot plate
Using magnet
Using filter paper
None of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. Pressure and concentration both influence how ----------- a substance is.
dense
soluble
colored
heavy
Multiple Choice: Identify the choice that best completes the statement or answers the question. Which method can be used to separate a mixture of salt and water?
Using filter paper
Using hot plate
Using magnet
All of the above
Multiple Choice: Identify the choice that best completes the statement or answers the question. A colloid is a heterogenous mixture with tiny, undissolved particles that remain evenly dispersed and don’t settle when left undistributed.
True
False
Multiple Choice: Identify the choice that best completes the statement or answers the question. Which of the following describes stainless steel?
A solid solution where metals are mixed and one is dissolved in another
A liquid mixture of metals
A gas dissolved in a solid
A heterogeneous mixture of iron and sand
Multiple Choice: Identify the choice that best completes the statement or answers the question. --------- mixture is a type of mixture where the components are difficult to see and spread out uniformly throughout the mixture.
Homogeneous
Heterogeneous
Salt
None of the above
