II. State whether the following the statements are true or false
1. All metals exist in solid form at room temperature.
2. Coal can be drawn into wires.
3. Non metals react with dilute acids to produce hydrogen gas.
4. Sodium is very reactive metal
5. Copper displaces zinc from zinc sulphate solution
6. Rust formed on iron objects is basic in nature.
7. Non metals react with water to form a gas which burns with a pop sound.
Answers
Answered by
1
Answer:
The main factor that influences a person's height is their genetic makeup. However, many other factors can influence height during development, including nutrition, hormones, activity levels, and medical conditions. Scientists believe that genetic makeup, or DNA, is responsible for about 80% of a person's height.
Answered by
0
Answer:
1. false as mercury is at liquid
2. false
3. false as nonmetal donot react with acids
4. true that's why it is imersed in kerosene oil
5. false as cu is less reactive than zn
6. true
7. false
Similar questions