10th Samacheer Quiz

Q1. Compounds with the same molecular formula but different structures are called:

Isomers Isotopes Ions Alloys

Q2. Which statement is most directly related to Unit 11: Carbon and Its Compounds?

Tetravalent Cell wall Gravity Photosynthesis

Q3. Why does carbon form a large number of compounds?

It is tetravalent It is a metal It has no electrons It always becomes an ion

Q4. Soap is generally a salt of which type of long-chain molecule?

Fatty acid Amino acid Nucleic acid Sugar

Q5. Which acid can be formed when ethanol is oxidised?

Acetic acid Hydrochloric acid Nitric acid Sulfuric acid

Q6. Carbon forms four covalent bonds and is tetravalent.

Tetravalent Divalent Monovalent Zero valent

Q7. Methane has the molecular formula CH4.

CH4 C2H6 CO2 CH3OH