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High School Chemistry Questions asked by Filo students

Question 81

rent.com/free-vocabulary-test-poff/ English Vocabulary Test Please circle the correct answer. A2/Elementary Level 1. "I can't my passport. Have you seen it?" 9. it was

fill
find
regular. outside so we could not see well.
order
offer
noisy
empty
foggy

Topic:

Matter and Energy in Living Systems

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Question 82

The weather is today. Let's stay inside." 10. 7it'sin that Peter can't come to the party.i

simple
rich wanted to see him."
awful
clase
type
pity
sign
wish

Topic:

Matter and Energy in Living Systems

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Question 83

The man the basketbali into the air. 11. We used the

threw:
checked
lent building. to go to the tenth floor of the
elevator
ceiling

Topic:

Matter and Energy in Living Systems

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Question 84

Every year, many travel to Paris to visit its

claset
traific a) schedules
instructions

Topic:

Matter and Energy in Living Systems

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Question 85

Mandeep aften borrows books from the

churches
tourists
scissors
library:

Topic:

Matter and Energy in Living Systems

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Question 86

It might rain today, so being your

hurry
visit
umbrella
entrance
shout
jeweiry
telephone

Topic:

Matter and Energy in Living Systems

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Question 87

While the teacher spoke, her students listened 7. They live two kilometers from the train and took station.

shorts
office
outside
place
notes
away
around

Topic:

Matter and Energy in Living Systems

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Question 88

The child wain because his toy was broken.

along
tidy

Topic:

Matter and Energy in Living Systems

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Question 89

You must have a to drive a car.

thin
upset
license:
concert
modern
video
uniform

Topic:

Matter and Energy in Living Systems

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Question 90

What are all the little black dots?

Stomates
Guard Cells
poppy seeds
Chloroplasts

Topic:

Bonding and Chemical Reactions

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Question 91

COMPLETING SENTENCES Choose the correct word or term for each statement. Write your choice in the spaces provided.

A molecule is made up of
A single molecule has at least atoms.
are combined to make
There are elements than compounds.
Molecules are usually than atoms.

Topic:

Structure and Properties of Matter

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Question 92

The formula for starch is

C_{6} H_{10} O_{5}

. This stands for one molecule of starch. Answer these questions about the starch molecule.

Starch is made up of elements.

Topic:

Structure and Properties of Matter

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Question 93

The number of different kinds of atoms in starch is 8. One molecule of starch has atoms of hydrogen. 9. The total number of atoms in one molecule of starch is 10. The number of molecules in a teaspoon of starch is about one hundred, more than a billion MATCHING Match each term in Columm A with its description in Column B. Write the correct letter in the space provided. Column A Column B

$CaF_{2}$

Topic:

Structure and Properties of Matter

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Question 94

Given the balanced equation representing a reaction:

2 H_{2} + O_{2} \to 2 H_{2} O

What is the total mass of water formed when 8 grams of hydrogen reacts completely with 64 grams of oxygen? Select one:

18 g

56 g

36 g

72 g

Topic:

Bonding and Chemical Reactions

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Question 95

Plants use the process of photosynthesis to convert. carbon dioxide and water into glucose and oxygen.

6 CO_{2} + 6 H_{2} O \to C_{6} H_{12} O_{6} + 6 O_{2}

Carbon Water Glucose Oxygen Dioxide If a plant uses 44 grams of carbon dioxide and 18 grams of water to produce 32 grams of oxygen, how many grams of glucose are produced for the plant to use? Select one: 62 grams 26 grams 94 grams 30 grams

Topic:

Bonding and Chemical Reactions

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Question 96

ction calculator allowed | Drew Roberson Nuclear Change 1:Question 1 Which one of the following statements about nuclear reactions is false? Select one: Particles within the nucleus are involved. They are often accompanied by the release of enormous amounts of energy. No new elements can be produced. Rate of reaction is independent of the presence of a catalyst. Rate of reaction is independent of temperature.

Topic:

Nuclear Chemistry

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Question 97

Nuclear Change 1:Question 2 Which of the following correctly balances this decay reaction

?_{90}^{200} Th \to_{- 1}^{0} e +

$^{230} Th$
$_{200}^{20} Ac$

Topic:

Nuclear Chemistry

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Question 98

Four-function calculator allowed | Drew Roberson Nuclear Change 1:Question 4 What nuclide is formed by the

β

decay of

^{228} Ra

_{88}^{228} Ra \to⟶ +_{- 1}^{0} e^{-} + \overset{ν}{ˉ}_{e}

Select one:

_{89}^{228} Ra

_{87}^{228} Ra

_{89}^{228} Ac

_{87}^{228} Ac

Topic:

Nuclear Chemistry

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Question 99

Nuclear Change 1:Question 5 Christopher drew a graph to show changes in the mass of Barium-122 (Ba) during 10 minutes of radioactive decay. Radioactive Decay of Barium-122 Based upon the results, what is the half-life of Barium-122 in minutes? Select one: 1

Topic:

Nuclear Chemistry

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Question 100

unction calculator allowed | Drew Roberson Nuclear Change 1:Question 6 Uranium emits a type of radiation that can be harmful to humans if inhaled or swallowed, but it will not penetrate human skin. Which of the following describes the type of radiation emitted by uranium? Select one: alpha radiation neutron radiation gamma radiation beta radiation

Topic:

Nuclear Chemistry

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High School Chemistry Questions asked by Filo students

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