Who invented steamboat?
Who invented steamboat?
A. James Watt
B. Robert Fluton
C. Frank Whittle
D. George Stephenson
A. James Watt
B. Robert Fluton
C. Frank Whittle
D. George Stephenson
A. Qualitative pollutants
B. Quantitative pollutants
C. Anthropogenic pollutant
D. All of Above
A. Slightly Acidic
B. Slightly Basic
C. Highly Acidic
D. Highly Basic
Actually, milk has a pH of around 6.5 to 6.7, which makes it slightly acidic. Some sources cite milk as being neutral since it is so close to the neutral pH of 7.0.
A. Haploid
B. Diploid
C. Triploid
D. None of these
Rate of evaporation of petrol is greater than that of water at room temperature because:
A. petrol molecules do not have any hydrogen bond
B. petrol is an organic compound
C. water molecules have small size
D. petrol molecules have greater size