Across
- 3. Devansh picked up a ball of a certain substance and threw it up when it hit the ground it did not break but it dented badly.What could be the substance.
- 4. Who was the first scientist to use the term element in 1661?
- 5. I am a non metal which is a good conductor of heat.Who am I ?
- 8. I am a metal brown in colour .Who am I ?
- 9. I Am a metal which is non-malleable at room temperature.Who am I ?
- 10. Melting of a candle is what type of a change?
Down
- 1. A______ Is a substance composed of Two or more elements chemically combined with one another in a fixed proportion.
- 2. Vidyans picked up another ball But this one melted in his hand as soon as he touched it .What could it be made of?
- 6. I am a metal having the lowest melting point.Who am I?
- 7. Ravi is given sulfur and iron fillings he combines them by heating them to form FeS .What kind of mixture is formed in this case?