B. VERY SHORT-ANSWER QUESTIONS: Give one-word answers. 1. Name a metal which is liquid at room temperature.____2. Metals generally have a low specific gravity. True or false?___3. If a material can be drawn into thin wires, it is said to be_____4. Aluminium does not react with water. True or false?___5. Zn + Cuso, → ZnSO, + Cu is an example of a_____reaction6. Which metal is higher up in the reactivity series-sodium or silver?________7. Any rock containing metallic mineral is called an ore. True or false?___8._____is the most abundant element in the universe, whereas______is the mostabundant element in the earth's crust.9. Sand contains the elements_____and_____10. Which non-metal has very high melting and boiling points?______11. Metal food containers have a coating of_____12. Name a soft metal.___13. What is the black material inside a pencil?______14. Metals react with oxygen to produce_____oxides, and non-metals react with oxygen toproduce______oxides.15. Do non-metals react with water?_____16. A metal X can replace another metal Y from its metal salt. Is X above or below Y in the reactivity series?____17. The presence of air and_____are necessary for iron to rust.18. Galvanized iron starts rusting if there is a scratch on the zinc layer. True or false?___19. Copper corrodes in the presence of_____and water.20. Name a metal that does not corrode in air._____​