chloeholt123

14.10.2020 • 

Physics

1.Kathmandu lies at high altitude than Biratnagar from sea level. Where does an object has more weight between two places? Give reason.

2.The acceleration due to gravity on the surface of the Jupiter is 25 m/s²
What does it mean?

3. Write any two differences between Archimedes' principle and law of
floatation.

4. An iron nail sinks in water but floats in mercury. Why?

5. In which group of modern periodic table, elements having atomic numbe
9 and 17 belong. Which one is more reactive and why?

Ответ:

smit715674

27.06.2020

Physics

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You should have noticed that the number of atoms in the reactants is the same as the number of atoms in the product. The number of atoms is conserved during the reaction. However, you will also see that the number of molecules in the reactants and products are not the same.

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