Question

4. Non-metallic oxides dissolve in water to form 5. is a non-metal which has metallic lustre. 6. Rust is an oxide of 7. An alloy of lead and tin is called 8. is a non-metal which is placed in the reactivity series of metals. 9. is the hardest substance known. 10. Non-metals are neither malleable nor ductile but they are C Match the Columns : Column A Column B (a) Homogeneous mixture of two or more metals (i) Sonority (b) Property by virtue of which metals can (ii) Metalloids be beaten into thin sheets. (c) Property by virtue of which metals can (iii) Alloy be drawn into thin wires. (d) Property of metals to produce sound (iv) Malleability when struck with a hard object. (e) Elements having properties of both (v) Ductility metals and non-metals. State whether the following statements are True (T) or False (F): 1. Sodium is a metal which can be cut with a knife. 2. Steel and stainless steel are the alloys of iron. 3. Metal that is liquid at room temperature is mercury. 4. The property of metals to produce sound when struck with a hard object is called ductility. 5. The property by virtue of which metals can be beaten into thin sheets is called malleability. D no I (Answer in one or two sentences):I





PLEASE SOLVE AS MANY AS YOU CAN ​

Answer 1

Answer:

4. An Acidic solution

5. Iodine

6. Iron

7. Solder

8. Hydrogen

9. Diamonds

10. Lustrous

Answer 2

Answer :-

4. Acidic solution

5. Graphite

6. Iron

7. Solder

8.Hydrogen

9. Diamond

10. brittle

C.

(a) - Alloy

(b) - Malleability

(c) - Ductility

(d) - Sonority

(e) - Metalloids

D.

1. True

2. True

3. True

4. False

5. True

Hope it's correct and helpful.......!!