Question

Who answers all true I mark him brainiest

I Fill in the blanks:
1. Materials that have lustre are usually called as ____________________.
2. Three examples of metals are ____________,_____________& ________________.
3. The gas which can dissolve in water is _________________.
4. Materials are grouped together on the basis of _____ and _________ in their properties.
5. Some metals lose their shine and often look dull because of the action of ______ and
______________ on them.
6. Based upon transparency, materials can be grouped as ______, _____ and ____________.
7. A substance which is used in making different objects is called _________________
8. The materials which occur in nature are called ________________________ materials.
9. . The materials made by man are called _________________________________materials.
10. The materials which have natural shine on their surface are called ____________
11. The substances which dissolves in water are called _______________substances and which
do not dissolve in water are called __________________substances.
12. ______________________________is called the universal solvent.
13. The liquids which dissolve in water are called __________________liquids and which do
not dissolve in water are called ___________________liquids.
II Name the following:
1. Two liquids soluble in water
2. Two liquids insoluble in water
3. Two transparent objects
4. Two translucent objects
5. Two opaque objects
6. Two solids soluble in water
7. A liquid metal _____________________________
8. Two miscible liquids_____________________________ _____________________________
9. Two immiscible liquids ___________________________ ___________________________
10. Two soluble substances in water______________________ _______________________
11. Two insoluble substances in water ____________________ _______________________
12. Two substances that float on the surface of water ________________________________
13. Two substances that sink in water ____________________ ____________________________
14. All gases are non lustrous.________________________
15. Iodine crystals have luster._________________________
16. All gases are opaque materials._____________________
17. Butter paper, oiled paper etc are transparent materials.__________________________

Answer 1

Answer:

1) metals

2)iron,nickel and cobalt

3)nitrogen

4)metals and non metals

5) oxidation and reduction

Answer 2

Answer:

I

1)lustre

2)iron, copper & gold

3)oxygen

4)similarities & differences

5) air & moisture

6)opaque, transparent & transculent

7) material

8)natural

9)artificial

10)lustrous materials

11)soluble, insoluble

12)water

13)miscible, inmiscuble

other questions I tell fist make me brainliest