1. why caesium and gellium melt in our palm ?
2. why magnesium ribbon starts floating In hot water ?
3. what are ionic compound?
4. Complete the following chemical reaction
3 fe + 4H₂O >
Ca + H₂O
k + H₂O
5. To obtain metal from their metal oxide, which
Chemical proces give the chemical equation as
well ?
Answers
Answer:
1.A chip of gallium or caesium melts on our palm because the melting point of these metals is just below thirty degrees Celsius (86oF). They have very low melting point.
2.The hydrogen gas evolved due to this reaction sticks on the surface of magnesium ribbon making it float in hot water.
3.An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.
4.Sorry dude i don't know the answer for this one....
5.The chemical process which is used for obtaining a metal from its oxide is known as reduction. In this process, metal oxides are reduced to their respective metals by using suitable reducing agents such as carbon or by using some highly reactive metals to displace the metals from their oxides.