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7338831
Ch. 1 Test
Descrição
10th grade Chemistry Quiz sobre Ch. 1 Test, criado por Cecilia Bui em 10-01-2017.
Sem etiquetas
chemistry honors
chemistry
10th grade
Quiz por
Cecilia Bui
, atualizado more than 1 year ago
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Criado por
Cecilia Bui
quase 8 anos atrás
7
0
0
Resumo de Recurso
Questão 1
Questão
[blank_start]biochemistry[blank_end] - the study of the processes that take place in organisms
Responda
biochemistry
organic chemistry
inorganic chemistry
physical chemistry
analytical chemistry
Questão 2
Questão
[blank_start]physical chemistry[blank_end] - concerned with the mechanism, rate, and energy transfer that occurs when matter undergoes a change
Responda
physical chemistry
analytical chemistry
biochemistry
organic chemistry
Questão 3
Questão
[blank_start]analytical chemistry[blank_end] - the study of the composition of matter
Responda
analytical chemistry
physical chemistry
biochemistry
organic chemistry
Questão 4
Questão
Which field of science studies the composition and structure of matter?
Responda
physics
biology
chemistry
geology
Questão 5
Questão
The study of chemicals that, in general, do not contain carbon is traditionally called what type of chemistry?
Responda
bio
inorganic
physical
analytical
Questão 6
Questão
Which of the following would a chemist be most likely to study?
Responda
a leaf floating on water
a leaf changing color in autumn
a leaf being blown by the wind
a leaf sinking in water
Questão 7
Questão
Which of the following statements is false?
Responda
Knowledge of chemistry allows the public to make informed decisions.
Studying chemistry ensures that officials make correct choices in funding technology.
Knowledge of chemistry helps prepare people for careers in soil science.
Chemistry explains many aspects of nature.
Questão 8
Questão
After developing a plan, effective problem solving always involves doing what with that plan?
Responda
evaluating it
implementing it
analyzing it
doing calculations
Questão 9
Questão
A central concept of the kinetic theory, one of the "big ideas" of chemistry, is the belief that
Responda
for every reaction there is an equal and opposite reaction.
chemical reactions involve processes in which reactants produce products.
the particles in matter are in a state of constant motion.
every chemical process uses or produces energy, often in the form of heat.
Questão 10
Questão
Which of the following was a major contribution to chemistry by Antoine Lavoisier?
Responda
He showed that oxygen is required for material to burn.
He demonstrated the presence of phlogiston in air.
He encouraged scientists to form explanations based on philosophical arguments.
He developed the science of alchemy.
Questão 11
Questão
In a chemical reaction, the type of products obtained is largely determined by which part of the reacting chemicals?
Responda
protons
electrons
neutrons
nuclei
Questão 12
Questão
A theory is a ___.
Responda
proposed explanation for an observation
well-tested explanation for a broad set of observations.
summary of the results of many observations
procedure used to test a proposed explanation
Questão 13
Questão
The variable that is observed during an experiment is called what type of variable?
Responda
independent
manipulated
controlling
responding
Questão 14
Questão
Collaboration and communication are very important in a science because __.
Responda
most research problems are not very complex.
most scientists have the knowledge to solve any scientific problem.
they increase the likelihood of a successful outcome.
they keep scientists from having to repeat experiments.
Questão 15
Questão
Which of these steps should always be followed for effective problem solving?
Responda
buying a larger quantity of material than estimated
performing metric conversions
developing a plan and then implementing the plan
using a trial-and-error approach then evaluating
Questão 16
Questão
The step that usually comes last in solving numeric problems is __.
Responda
calculate
measure
evaluate
analyze
Questão 17
Questão
How do conceptual problems differ from numeric problems?
Responda
Solutions to conceptual problems involve analysis, while numeric solutions do not.
Logic is not usually involved in solving numeric problems.
A plan is necessary to solve numeric problems, but is not necessary for conceptual problems.
Solutions to conceptual problems normally do not involve calculations.
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