Question

Drag each statement to the correct location on the chart. Classify the sentences based on the chemical reactions they describe. When a clam shell (CaCO3) is heated, carbon dioxide (CO2) is given off and a white powder, calcium oxide (CaO), forms.> Nitrogen pentoxide (N2O5) is an unstable gas that changes to nitrogen dioxide (NO2) and oxygen (O2) at room temperature. Sodium (Na) reacts with chlorine (Cl) to give sodium chloride (NaCl). Zinc (Zn) metal reacts with copper sulfate (Cu2SO4) to give zinc sulfate (ZnSO4) and copper (Cu). A strip of magnesium (Mg) burns brightly in oxygen (O2) to form a white powder, magnesium oxide (MgO). On heating iron ore (Fe2O3) with carbon (C), we get iron (Fe) and carbon dioxide (CO2).

Answer 1

The question asks to classify sentences based on the described chemical reactions. The sentences are categorized into different types of reactions involving decomposition, combination, displacement, and reduction. Examples and explanations are provided.

Step-by-step explanation:

The statements in the question can be classified into different chemical reactions. Shown below are the classifications

1. When heating a clam shell (CaCO3), carbon dioxide (CO2) is given off and calcium oxide (CaO) is formed. This is an example of a decomposition reaction.
   
2. Nitrogen pentoxide (N2O5) changing to nitrogen dioxide (NO2) and oxygen (O2) at room temperature is an example of a decomposition reaction.
   
3. Sodium (Na) reacting with chlorine (Cl) to give sodium chloride (NaCl) is an example of a combination reaction.
4. When zinc (Zn) metal reacts with copper sulfate (Cu2SO4), zinc sulfate (ZnSO4) and copper (Cu) are formed. This is an example of a displacement reaction.
   
5. When a strip of magnesium (Mg) burns in oxygen (O2), magnesium oxide (MgO) is formed. This is an example of a combination reaction.
   
6. By heating iron ore (Fe2O3) with carbon (C), iron (Fe) and carbon dioxide (CO2) are obtained. This is an example of a reduction reaction.