10th Samacheer Quiz

Q1. Oxidation involves loss of electrons in a redox process.

Oxidation Reduction Melting Freezing

Q2. Which reaction involves a compound breaking into two or more simpler substances?

Decomposition Combination Neutralisation Polymerisation

Q3. A reaction in which two or more substances combine to form one product is a combination reaction.

Combination reaction Decomposition reaction Displacement reaction Neutralisation only

Q4. Which statement is most directly related to Unit 10: Types of Chemical Reactions?

Combination reaction Cell wall Gravity Photosynthesis

Q5. Which reaction generally involves oxygen with ignition?

Combustion Neutralisation Crystallisation Separation

Q6. What type of reaction is represented by A + B → AB?

Decomposition Combination Displacement Double displacement

Q7. Which reaction forms salt and water from an acid and a base?

Photosynthesis Neutralisation reaction Decomposition reaction Only combustion