Chemical Indicators Practice Questions

Which chemical indicator test for proteins?

• Lugol’s (Iodine)
• Buriet Solution
• Benedicts
• Sudan Solution

Which chemical indicator test for Lipid? 

• Sudan Solution
• Lugol’s (Iodine)
• Benedicts
• Buriet Solution

What chemical indicator is used to test for Starch or Complex Carbohydrates? 

• Benedicts
• Buriet Solution
• Lugol’s (Iodine)
• Sudan Solution

A scientist is attempting to test for carbohydrates and he/she added Benedict's solution. The test tube turned blue. Was there presence of the carbohydrates in the sample?

• yes
• no

Tags

NGSS.MS-PS1-2

A scientist is attempting to test for proteins and he/she added Buriet solution. The test tube turned light blue. Was there presence of the protein in the sample?

• Yes
• No

A scientist is attempting to test for starch/complex carbohydrates and he/she added Lugol's (Iodine). The test tube turned dark purple/black. Was there presence of starch/complex carbohydrates in the sample?

• Yes

• No

A scientist is attempting to test for proteins and he/she added Buriet solution. The test tube turned violet/purple. Was there presence of proteins in the sample?

• Yes
• No

A scientist is trying to test a solution for simple sugars. What solution or indicator should he/she use?

• Lugol's (Iodine)

• Benedict's

• Buriet solution

• Sudan solution

A scientist is trying to test for proteins. What solution or indicator should he/she use?

• Benedict's
• Lugol's (Iodine)
• Buriet solution
• Sudan solution

A scientist is trying to test for starches or complex carbohydrates. What solution or indicator should he/she use?

• Benedict's
• Lugol's (Iodine)
• Buriet solution
• Sudan solution