Directions: Write the letter of the correct answer on your answer sheets.
1. Which of the following statement is incorrect about the element carbon?
A. Carbon belongs to group 4A. period 2 B Carbon atoms tom tomie bonds
C Carbon has an atomic number of 6. D. Carbon has lour valence electrons
2. The two carbon atoms piethene are joined by what kind of bond?
A. single bond B. double bond
C. triple bond
D. Ionic bond
3. The functional group COOH is found in what organic compound?
A, Ester
B Ether
e. Alcohol
D. Carboxylic Acid
Por numbers 4 and 5. Identify the functional group presents on the following organic compounds
Pyruvate
Hgc.
6. How many carbons are present in Heptane?
A. Six
13. live
C Seven
7. Which of the following organic compounds possess fragrant smell?
B. Amidle
D. Carboxylic Acid
8. Which of the following compound is ketone?
A Ethynie
B. Acelone C. Propane
D Methanol
9. The student is working with her preserved frog specimen for her Zoolog class.
Which of the following compounds she must une in order to preserve the frog's body?
A Water
Ci Formaldehyde
D: Ethanoic Acid
10. What is the structural formula of ethynie?
A. CH3-CHO-H B. H–O5C-H C: H-CC-H
H​