Chemical Reactions and Their Products

Chemical Reactions and Their Products

Assessment

Interactive Video

Chemistry, Science, Biology

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers predicting products of chemical reactions, focusing on synthesis and decomposition reactions. It explains how to fill in the products side of chemical equations, starting with synthesis reactions where elements or compounds combine to form a single product. Examples include forming potassium chloride and aluminum oxide. The tutorial then shifts to decomposition reactions, where compounds break down into simpler substances, such as calcium chloride decomposing into calcium and chlorine gas. The video emphasizes understanding charges and using the periodic table for formula writing.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal when predicting products of chemical reactions?

To determine the products from given reactants

To balance the chemical equation

To identify the reactants

To measure the reaction rate

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a synthesis reaction, what happens to the reactants?

They are broken down into simpler substances

They combine to form a single compound

They remain unchanged

They form multiple products

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct formula for the compound formed when potassium reacts with chlorine gas?

KCl

KCl2

K2Cl2

K2Cl

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When aluminum reacts with oxygen gas, what is the resulting compound?

AlO2

AlO

Al2O3

Al3O2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to consider polyatomic ions in synthesis reactions?

They are always neutral

They do not affect the reaction

They determine the physical state of the product

They influence the charge balance in the compound

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main characteristic of a decomposition reaction?

Changing the state of matter

Combining two elements to form a compound

Breaking down a compound into its components

Forming a new element

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a decomposition reaction, what happens to the compound?

It forms a new compound

It remains unchanged

It breaks down into simpler substances

It changes its physical state

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