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aev [14]
2 years ago
14

when a candle burns both physical and chemical changes take place at identify these changes give another example of a familiar p

rocess in which both the chemical and physical changes takes place. ​
Chemistry
1 answer:
sp2606 [1]2 years ago
8 0

Answer:

So, the melting of wax and vapourisation of melted wax are physical changes. Chemical Changes : The wax near flame burns and gives new substances like carbon dioxide, carbon soot, water vapour, heat and light. LPG is another example of a familiar process in which both the chemical and physical changes take place.

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How much force is required to accelerate an 8-kg wagon at a rate of 15 m/s
Dovator [93]

Answer:

<h2>120 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 8 × 15

We have the final answer as

<h3>120 N</h3>

Hope this helps you

4 0
3 years ago
The life cycle of silkworm includes ------------- stage after the larvae stage​
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Answer:

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1 year ago
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grandymaker [24]

Answer:

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In the modern periodic table, elements having the same number of electrons in their outermost shell are placed over one another in a vertical column.

Elements in the same group exhibits similar chemical properties because of the same number of electrons in their outermost shell. Physical properties also varies progressively down any group.

So, the position of an element on the periodic table determines its properties.

3 0
3 years ago
Read 2 more answers
Which statement about biogeochemical cycles is true?
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Vika [28.1K]

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