Questions

Anirudh Bhattacharyya

Strength of concrete increases with increase in water cement ratio as the strength of the cement is directly proportional to water cement ratio.

Helium has the lowest freezing point of all the elements. When coming to metals, mercury has the lowest freezing point of all the metals.

Here 6CO2 + 6H2O -----> C6H12O6 + 6O2 is the only option which best summarizes photosynthesis. We know that, photosynthesis is the reverse of cellular respiration in that carbon dioxide is used with water to form sugar, and oxygen is released.

The National Association of Software and Services Companies (Nasscom) appointed Raman Roy (Managing Director of Quatrro Global Services) as its chairman for 2017-2018.

 Rishad Premji (Chief Strategy Officer (CSO), Wipro Limited) has been appointed Vice Chairman. Raman Roy has replaced Mr. CP Gurnani.

Sometimes the solid particles in a liquid are very small and can pass through a filter paper. For such particles, the filtration technique cannot be used for separation. Such mixtures are separated by centrifugation.