Question

A. Tick (7) the correct option.
1. Which of the following is an element?
a. Iron
b. Iron sulphide C. Copper
d. Both (a) and (c)
2. This is a compound.
a. Magnesium
b. Manganese
O c. Silver'oxide d. Platinum
3. Which method can be used to separate two immiscible liquids?
a. Sedimentation O b. Decantation C. Filtration
d. Separating funnel
4. Iron from a junkyard can be separated by using this method.
a. Magnetic separation b. Winnowing Oc. Crystallisation O d. None of these
5. Which statement is not true for elements?
a. Elements are pure substances.
b. Elements can be broken to simpler substances by physical methods.
C.. Elements are made of one type of particles.
d. Elements may occur both in free and combined state.
000
B. Fill in the blanks.​

Answer 1

Answer:

1.d

2.c

3.c

4.a

5.d

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