Basics of Chemistry-Worksheet-3

Basics of Chemistry Worksheet-3

1. What would you get when you combine two or more elements with chemical process?

A. Liquid            B. Compound   C. Gas                 D. Solid

2. Which of the following is NOT a form of matter?

A. Soft                B. Solid              C. Liquid            D. Gas

3. Select the correct definition of Solid.

A. Its particles are very far apart and arranged in a tight pattern.

B. Its particles are very far apart and not arranged in a pattern.

C. Its particles are close and not arranged in a pattern.

D. Its particles are very close and arranged in a pattern.

4. Take some water in a glass and mark the water level by pasting a strip of paper outside the glass, as shown in figure. Add two teaspoons of sugar to water and stir. What happens to the water level in the glass?

A. The volume of the sugar solution remains almost the same as volume of water

B. The volume of the sugar solution decreases in comparison to volume of water

C. Sugar does not take up any extra space

D. Both (A) & (C).

5. Decantation can be represented by which of the following figure?

A.          B.      C.        D.

6. The knife shown in the figure is made of stainless steel. What material should the handle be made of?

A. Plastic Handle                          B. Steel    

C. Wood                                         D. Either (A) or (C).

7. Which is true?

A. A physical change is reversible, a chemical change is not.

B. A chemical change is reversible, a physical change is not.

C. Both, a physical change and a chemical change are reversible.

D. Both, a physical change and a chemical change are not reversible.

8. Which of the following is a property of matter?

A. Color              B. Volume         C. Mass              D. All of the above

Answer Keys:

(1)–(b); (2)–(a); (3)–(d); (4)–(d); (5)–(b); (6)–(d); (7)–(a); (8)–(d)