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Balancing Chemical Reactions

Authored by STEVE LOPEZ

Chemistry

9th - 12th Grade

NGSS covered

Used 202+ times

Balancing Chemical Reactions
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13 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

During a chemical reaction, atoms ______.

Durante una reacción química, los átomos ______.

are created / son creados

are destroyed / son destruidos

are rearranged / se reorganizan

are lost / se pierden

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Identify the product(s) in the following chemical reaction:


Identifica el/los producto/s en la siguiente reacción química:


Chromium oxide + Carbon → Chromium + Carbon monoxide

Chromium and carbon.

Chromium and carbon monoxide.

Chromium and carbon dioxide.

Chromium oxide and carbon.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

How many silver (Ag) atoms are reactants in this equation?

¿Cuántos átomos de plata (Ag) son reactivos en esta ecuación?

1

2

3

4

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In chemical reactions, a product is _________.

En las reacciones químicas, un producto es _________.

any substance that is made of the greatest number of atoms / cualquier sustancia que esté formada por el mayor número de átomos

any substance that is made from the least number of atoms / cualquier sustancia que esté formada por el menor número de átomos

any substance to the right of the arrow / cualquier sustancia a la derecha de la flecha

any substance that is to the left of the arrow / cualquier sustancia que esté a la izquierda de la flecha

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

True or False:

The arrow in a chemical reaction separate the reactants and the products.


Verdadero o falso:

La flecha en una reacción química separa los reactivos y los productos.

T

F

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Select ALL that are correct:

The Law of Conservation of Mass states...


Selecciona TODAS las respuestas correctas:

La Ley de Conservación de la Masa dice...

matter cannot be created or destroyed / la materia no puede ser creada ni destruida

matter can be created or destroyed / la materia puede ser creada o destruida

matter cannot be transferred / la materia no puede ser transferida

matter can be transferred / la materia puede ser transferida

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

How many hydrogen atoms are on each side of the equation?

¿Cuántos átomos de hidrógeno hay en cada lado de la ecuación?

2

4

6

12

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-1

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