It is theoretically possible for a substance to have a negative value of cubical expansivity, which means that the substance would contract rather than expand when the temperature increases. However, it is very rare for a substance to have a negative value of cubical expansivity over a significant range of temperatures.
One example of a substance that has a negative value of cubical expansivity over a limited range of temperatures is water. Water has a positive value of cubical expansivity at...
2078-10-20
दाङ, नेपाल।
वरषीय सुशील भणडारीले आफनै गाउँमा सफलतापूरवक
सवचालित कार बनाएका छन ।दिएको जानकारी अनुसार
कारमा सुशीलले समाचार अधिकारीहरूलाई अनय कचचा
पदारथ जसता उपलबधयसको कषमता लगभग 15-20 किमी
/ घणटा छ। यो परियोजनाले उनलाई करिब रु.95,000
अवधि-चार महिना; भणडारी भनछन, ‘ किनन सकने गरी थप गरन
सकौं कम मूलयमा।”
Not even a single member ofAksionov'sfamily was concerned about his well-being when he was at his lowest.Along with the judges of the court even his wife did not trust him.Hewas imprisoned for the crime he did not commit.With time he learnt to forgive people, but he did not forget their mistreatment.
The Rh factor(the Rhesus factor or Rh antigen), is a protein that can be found on the surface of red blood cells. It is one of the most important blood group systems in human blood typing. The presence or absence of the Rh factor is denoted as either Rh-positive (+) or Rh-negative (-).
zinc will react with sulphuric acid forming zinc sulphate dissolved in solution and releasing hydrogen gas.
Zn + conc. 2 H2SO4 ZnSO4 + SO2 + 2 H2O
