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Chemistry study guide
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Preguntas del test (12)
1Matter can neither be created nor destroyed
- AVerdadero
- BFalso
2The charge of a proton is
- ANegative
- BPositive
- CNeutral
3During a chemical reaction, old atoms are destroyed and new atoms are created to make a new substance
- AVerdadero
- BFalso
4Label the three parts of an atom and the location of the nucleus.
- AElectron
- BNeutron
- CProton
- DNucleus
5Select all parts of an atom
- ANeutron
- BPlasma
- CProton
- DElectron
- EElement
6Vinegar and baking soda react together. Before the reaction the mass is 18 grams in total. After the reaction the mass is 16 grams. What happened?
- ASome of the atoms were destroyed
- BThe new substance is lighter than the old substance
- CSome of the mass escaped through the bubbles formed into the air because the scientist did not create a closed system
7To read a graduated cylinder, look at it
- AAt eye level
- Bfrom below
- Cfrom above
8An element
- ACannot be broken down into any other substance
- BIs made of all the same kind of atom
- CIncludes all the substances on the periodic table including chemicals like gold or iron
- DAll of the above
9What is NOT evidence that a chemical reaction has happened?
- ABubbles
- BColor change
- CA new substance being created
- DNone of the above
106 grams of hydrogen and 4 grams of oxygen combine in a chemical reaction to create water. How much water will be created?
- A2 grams
- B24 grams
- C10 grams
1125 grams of gunpowder explode, creating heat and light. 3 grams of a solid are produced. The rest of the products are a gas. What is the mass of that gas?
- A28 grams
- B22 grams
1212 grams of baking soda react with 18 grams of vinegar. 6 grams of carbon dioxide are produced. What is the mass of the rest of the products?
- A6 grams
- B24 grams
- C36 grams
Información
- Descripción
- Test sobre Chemistry study guide, creado por Siobhan Duffey el 24/09/2019.
- Autor
- Siobhan Duffey
- Idioma
- English
- Visitas
- 121
- Etiquetas
- Valoración
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