Chemical Reactions

Front

In a chemical equation, (aq) after one of the substances means that it is which of these? Options: a solid formed from two ionic substances, released as gas, dissolved in water, produced from nothing

Back

dissolved in water

Front

Which type of reaction can be recognized by the general pattern?
A + BC--> AC + B
Options: Decomposition, Combustion, Single Replacement, Double Replacement

Back

Single Replacement

Front

Which type of reaction involves one element and one compound reacting?

Back

Single Replacement

Front

Which type of reaction takes place in the presence of oxygen and produces carbon dioxide and water? Options: Combustion, Single Replacement, Double Replacement, Decomposition

Back

Combustion

Front

Which types of reactions are essentially opposites of one another? Options: synthesis and decomposition, combustion and synthesis, single replacement and double replacement, synthesis and single replacement

Back

synthesis and decomposition

Front

Which is NOT a sign that a double displacement reaction has occurred? Options: gas may be formed, water may be produced, a precipitate is formed, the coefficients are equal

Back

the coefficients are equal

Front

What is the probable product of a double-replacement reaction?

Back

Two different compounds

Front

Chemical equations ____.

Back

describe chemical reactions

Front

Rewrite the word equation 'nitrogen trifluoride → nitrogen + fluorine' as a balanced chemical equation. What is the coefficient and symbol for fluorine? Options: 6F₂, 6F, F₃, 3F₂

Back

3F₂

Front

In this equation, which are the reactant(s)?

Back

Both magnesium and oxygen