Question

1.Metals react with water to form ________ gas.
2.Which is the most reactive metal among iron, zinc, copper & potassium?
3.Name two metals which are poor conductors of heat.
4.Write the name of the metal which is used in household electric wiring.
5. Name one metal which is highly unreactive.
6.The property of metal used for making temple bells is ________.
7.The property by which a substance can be drawn into thin sheets is
called________.
8.The oxides of non-metals are generally ________ in nature.

Short answer questions

10.What happens when the following metals react with oxygen (write chemical
equation)?
a) Magnesium b) Sodium c) Zinc

11.What happens when the following non-metals react with oxygen (write
chemical equation)?
a) Carbon b) Phosphorus c) Sulphur

Answer 1

Answer:

Explain how the total mass of substances remain unchanged during a chemical change

Answer 2

$\huge\mathfrak\blue{Hey \: Mate}$

✰$\huge\mathfrak\blue{answer}$

Hydrogen

$\huge\mathfrak\blue{Hey \: Mate}$

Hydrogen

Potassium

Stainless steel and chromium

Copper

Gold

Sonorous

Malleability

Acidic