What is a denatured spirit?
OR
Write one use each of Ethyl alcohol and Acetic acid.
WBBSE
Class X
Physical Science
Organic Chemistry
02 Mark
2024
Denatured spirit is ethanol (ethyl alcohol) that has been mixed with chemicals (denaturants) to make it undrinkable. This is done to avoid the consumption tax on alcohol while still allowing it to be used as a solvent or fuel.
OR
Uses:
- Ethyl alcohol: It is used as a solvent in industries and laboratories.
- Acetic acid: It is used in the production of vinegar for culinary purposes.
Related Questions
More WBBSE Easy level questions
1/12
Q.
Write the names of two bio-degradable polymers.
A.
Examples of biodegradable polymers : Polylactic acid (PLA) Polyhydroxybutyrate (PHB)
Q.
How can the given conversion be carried out?
A.
The given conversion of ethene (H₂C = CH₂) to ethane (H₃C –...
Q.
Identify the triple bond unsaturated hydrocarbon: (a) CH₄ (b) C₂H₆ (c) C₂H₄ (d) C₂H₂
A.
(d) C₂H₂ Explanation: A triple bond unsaturated hydrocarbon belongs to the alkyne...
Q.
Explain the difference between minerals and ores.
A.
Minerals Ores Minerals are naturally occurring substances found in the Earth’s crust....
Q.
Name two copper containing alloys. State one use of each alloy.
A.
Two copper alloys: Copper Alloy Composition Uses Brass Copper (Cu): 60–80% Zinc...
Q.
Write the name of monomer of a polymer which is used to prepare non-stick utensils.
A.
Tetra fluoro ethylene Explanation: Polytetrafluoroethylene (PTFE or Teflon) is used for non-stick...
Q.
Write down the IUPAC name of the following organic compound
A.
2-Bromopropane or (1) CH₃–CH₂–CH₂–OH → Propane-1-ol(2) CH₃–CH(OH)–CH₃ → Propane-2-ol
Q.
What is now used in electrical circuits instead of fuse wire?
A.
MCB / Miniature circuit breaker
Q.
What type of lens is used as a magnifying glass?
A.
Convex lens Explanation: Convex lens forms virtual, erect, magnified image for objects...
Q.
Name the greenhouse gas discharged from a refrigerator.
A.
CFC / HFC
Q.
Which layer of atmosphere is susceptible to storm and rain?
A.
Troposphere Explanation: Troposphere is the lowest layer nearest to Earth's surface, where...
Q.
Which metal is used as catalyst in Haber’s process for preparation of ammonia?
A.
The metal used as a catalyst in the Haber’s process for the...