MEDIUM
10th CBSE
IMPORTANT
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The soap molecule has a:
(a)hydrophilic head and a hydrophobic tail
(b)hydrophobic head and a hydrophilic tail
(c)hydrophobic head and a hydrophobic tail
(d)hydrophilic head and a hydrophilic tail

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Important Questions on Carbon And its Compounds
MEDIUM
10th CBSE
IMPORTANT
Chlorine reacts with saturated hydrocarbons at room temperature in the :

HARD
10th CBSE
IMPORTANT
In a soap micelle, the soap molecules are arranged radially with :

MEDIUM
10th CBSE
IMPORTANT
When ethanol reacts with sodium metal, it forms two products. These products are :

EASY
10th CBSE
IMPORTANT
Vinegar is a solution of about:

MEDIUM
10th CBSE
IMPORTANT
One of the following substances is not added to make denatured alcohol. This is :

HARD
10th CBSE
IMPORTANT
One of the following organic compounds cannot decolourise the red-brown colour of bromine water. This compound is:

HARD
10th CBSE
IMPORTANT
The substance which can produce brisk effervescence with baking soda solution is :

MEDIUM
10th CBSE
IMPORTANT
The chemical which is not required for the preparation of soap in the laboratory is :
