10 applications of double displacement reactions in everyday life

1) H2O+ NaCl  →  NaOH + HCl

Water in your body plus the salt in your foods

 

2) Marble statues (CaCO3) attacked by acid rain (containing HNO3).

CaCO3 + 2HNO3→ Ca(NO3)2 + H2O + CO 2

 

3) Fatty acid + sodium hydroxide → soap molecule + water

 

4) Baking soda (NaHCO3) reacts with acidic substances (HA) in cake batter in a double replacement reaction

5) An antacid (calcium hydroxide) neutralizes stomach acid (hydrochloric acid).
Ca(OH)2 + 2 HCl → CaCl2 + 2 H2O

 

6) Acid-Base Reaction

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in which cavity does heart issituated ?

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in chest cavity(thoracic cavity)

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to form different compounds eg to obtain nacl mix bacl and naso4

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WHAT IS THE ANSWER ?

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