Q: 91 (NDA-II/2009)
question_subject:
Science
question_exam:
NDA-II
stats:
0,17,7,17,2,3,2
keywords:
{'silicates': [0, 0, 2, 0], 'silica': [1, 0, 5, 9], 'calcium': [2, 0, 0, 4], 'fatty acids': [0, 0, 1, 0], 'aluminates': [0, 0, 1, 0], 'important ingredient': [0, 0, 1, 0], 'soap': [0, 0, 0, 3], 'quartz': [0, 0, 0, 1], 'sodium salt': [0, 0, 1, 0], 'glass': [0, 0, 1, 4]}
In this question, we have four materials listed in List-I and their corresponding important ingredients listed in List-II.
Option 1:
According to this option, the correct match is:
A. Cement - 4 (Aluminates and silicates of calcium)
B. Glass - 3 (Silica in the form of quartz)
C. Ink - 2 (Carbon black)
D. Soap - 1 (Sodium salt of fatty acids)
This option seems to be correct as it matches each material with the correct important ingredient.
Therefore, the correct answer is option 1.
No alert is needed as the provided answer seems to be accurate.