Answer:

1.c

2.c

3.c

4.c

5.d

Explanation:

nakatulong bah ako

✏️ Question

1) Which of these substances is a compound?

a)carbon b)chlorine c) Magnesium Carbonate d)sodium

2)You are asked by your teacher to match a compound with its constituent elements. which of your paired match below is/are correct?

l. Water, nitrogen, oxygen

ll.Carbon dioxide: Carbon, oxygen

lll.Salt: sodium, magnesium

lV.Calcium chlorine: calcium, chlorine

a)l ang V

b)ll and lV

c)l and lll

d)IV only

3)How many elements are represented in a compound KMnO⁴?

a)1 b)2 c)3 d)4

4)which of the following chemical formula represents a compound?

a)CI b)O² c)CO² d)Zn

5)What compound will be formed it hydrogen gas and oxygen gas combine?

a)Salt b)Alcohol c)sugar d)water

✏️Answer

1. C. Magnesium

2.A. I and V

3. D. 4

4. V. O²

5. B. Alcohol

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