Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

Which one of the following is a compound? A The black residue left when sugar is charred B Nitrogen gas C Air D Carbon dioxide

Which one of the following is a compound?

A

The black residue left when sugar is charred

B

Nitrogen gas

C

Air

D

Carbon dioxide

 

Grade:12

2 Answers

Vikas TU
14149 Points
10 months ago
Dear student 
Compound is a substance formed from two or more elements chemically bonded in a definite proportion.
In this Carbon di oxide is a compound. 
Because Carbon and oxygen is in definite proportion.
 
ankit singh
askIITians Faculty 614 Points
10 months ago
ANSWER
Among these only carbon dioxide is a compound.
Compound is a substance formed from two or more elements chemically bonded in a definite proportion.
Example- Carbon dioxide, water, glucose, etc.
In the given options,
A- the black residue that is left after charring sugar is carbon. Carbon is an element in pure state.
B- Nitrogen gas is a molecule as it is composed of only one element ie., Nitrogen so this can't be termed as a compound.
C- Air is a homogeneous mixture of different gases.

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free