MixtureA combination of two or more substances that are not chemically combined
h
g
i
l
Q.4.
States of Matter is...
The physical forms of matter, which include solid, liquid, and gas
A combination of two or more substances that are not chemically combined
The chart scientists use to organize and classify all the known elements
Attraction between molecules of the same substance
Q.5.
Adhesion is...
The force that holds two atoms together
An attraction between molecules of different substances
The physical forms of matter, which include solid, liquid, and gas
A combination of two or more substances that are not chemically combined
Q.6.
The force that holds two atoms together is
Chemical Bond
States of Matter
Mixture
Periodic table of elements
Q.7.
Adhesion is...
The force that holds two atoms together
An attraction between molecules of different substances
The physical forms of matter, which include solid, liquid, and gas
A combination of two or more substances that are not chemically combined
Q.8.
NaCI is
The physical forms of matter, which include solid, liquid, and gas
The force that holds two atoms together
An attraction between molecules of different substances
Sodium chloride, common table salt.
Q.9.
NaCI is
The physical forms of matter, which include solid, liquid, and gas
The force that holds two atoms together
An attraction between molecules of different substances
Sodium chloride, common table salt.
Q.10.
Two or more atoms bonded together, sharing electrons is a...
Molecule
Adhesion
NaCl
Chemical Bond
Q.11.
A Chemical Engineering is...
Applied chemistryEngineering concerned with design, construction and operation of machines that perform chemical reactions, separations/mixing and fluid flow to solve problems and make useful products.
A pure substance, composed of only one type of atom.
An attraction between molecules of different substances
The smallest unit of a chemical element that contains all properties of that element
Q.12.
The branch of science concerned with the properties of substances and the interactions between different types of matter is...
Chemistry
Chemical Engineering
Atom
Element
Q.13.
Fill in the Blank- The________ (unit of a chemical element that contains ___ (properties of that element is a atom.
1-Biggest2-Some
1-Smallest2- Some
1-Smallest2- All
1- Biggest2- all
Q.14.
The branch of science concerned with the properties of substances and the interactions between different types of matter is...
Chemistry
Chemical Engineering
Atom
Element
Q.15.
Which of the following is a positive test for carbon dioxide gas?
a glowing splint bursts back into flame
a burning splint causes a "pop!"
it turns limewater cloudy
Q.16.
What is the common name for H₂O?
water
hydrogen peroxide
methane
methane
Q.17.
Which of the following is a positive test for oxygen gas?
a glowing splint bursts back into flame
a burning splint causes a "pop!"
it turns limewater cloudy
Q.18.
Which of the following is a positive test for carbon dioxide gas?
a glowing splint bursts back into flame
a burning splint causes a "pop!"
it turns limewater cloudy
Q.19.
What is the common name for H₂O?
water
hydrogen peroxide
methane
methane
Q.20.
How many protons does magnesium have?
21
7
12
none of the above
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