abc123unknown8126
Asked:
December 2022
A cool liquid nitrogen is cooled even further until it freezes. Why it is a physical change or chemical change? Explain briefly.
abc123unknown8126
Asked:
December 2022
Decide whether the change is physical or chemical, and try to explain your reasons. >Some very cold liquid nitrogen is cooled even further, until it freezes >Some magnesium is heated in oxygen until it burns >Some sodium chloride is added to a beaker of water, and left to dissolve
abc123unknown8126
Asked:
December 2022
A body experiences the same buoyant force while floating or sinking in water.
abc123unknown8126
Asked:
December 2022
A body experience the same buoyant force while in water or alcohol. State true or false.
abc123unknown8126
Asked:
December 2022
Why smart cities project is a failure in India? Explain in simple words.
Explain briefly four major problems / negative effects of urban sprawl or urbanisation.
abc123unknown8126
Asked:
December 2022
Other than rural urban migration, what can cause population growth in cities leading to urbanisation? Explain briefly.
abc123unknown8126
Asked:
December 2022
Reasons for rural-urban migration in LEDCs (Less Economically Developed Countries).