Q.1
What is sodium fluoride (NaF₂)?
  • element
  • compound
Q.2
What is sodium fluoride (NaF₂)?
  • element
  • compound
Q.3
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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