Types of Chemical Reactions : Combination | Chemical Reactions and Equations | Assessment | English | Grade 10

Which of the following represent combination Reaction ?

• A+ B --> C

• A-->B + C

• A<-->B + C

• None of the above

Answer explanation

Combination reaction means combining two reactants to form a single product.

Example of combination reaction is/are ____________ .

• Combustion of carbon in air

• combination of iron and sulphur to form iron sulphide

• Combination of ammonia and hydrogen chloride to form ammonium chloride

• All of the above

Answer explanation

Because in each option two reactants are combining to form a single product.

Tags

NGSS.MS-PS1-5

What is combination reaction?

• When two products to combine a single product

• When two products combine to form two products

• When two products break into ions

• All of the above

Answer explanation

Combination reaction means combining two reactants to form a single product.

Which of the following is a combination reaction?

• 2Al + 3Cl₂ —–> 2AlCl₃

• 2K + 2H₂O —–> 2KOH + H₂

• Zn + HCl ——– > ZnCl₂ + H₂

• None of the above

Answer explanation

Because combination reaction means combining two reactants to form a single product.

Tags

NGSS.MS-PS1-2

Which of the following is a combination reaction?

• Na + O₃ —–> Na₂O

• Fe + O₂ —–> Fe₂O₃

• C +O₂ —–> CO₂

• All of the above

Answer explanation

Because in each option two reactants are combining to form a single product.