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Science
General Awareness
Science
Q1.
Which of the following is the main constituent of bio-gas?
General Awareness
Science
Q2.
Which of the following statement is correct? I. Refraction is due to change in the speed of light as it enters from one transparent medium to another. II. Refractive index of water is 1.33.
General Awareness
Science
Q3.
Cholera is caused by