Question

Classify the following as physical or chemical properties1.Zinc dissolves in hydrochloric acid with the evolution of hydrogen gas.2.Sodium is soft enough to be cut with a knife.3.An acid reacts with a base to form a salt.4.The composition of a sample of steel is: 98% iron, 1.5% carbon and0.5% other elements.

Answer 1

Answer:

1) chemical property

2) physical property

3) chemical property

4) chemical property

Answer 2

Awww.. That's so sweet of her .

Please tell her , even though I'm not with her but still my best wishes are always with her .

And tell her not to worry about you too much , As we Armys will never let you feel sad . I hope your friend gets everything she desire . Hope her life is full of happiness and blissful memories.