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Transport of Oxygen

Which of them...

Question

Which of them makes your eyes tearful?

N H_{3}

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HCl

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C a C O_{3}

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C a C l_{2}

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Solution

The correct option is A $N H_{3}$
Ammonia is a colourless gas with characteristic pungent odour. It is non-poisonous in nature but can have adverse effect on the respiratory system if inhaled in large quantity. It makes our eyes tearful.

Hence, the correct option is $A$ .

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Similar questions

C a C O_{3} + H C l \to C a C l_{2} + C O_{2} ↑ + H_{2} O

N a + H_{2} O \to N a O H + H_{2} ↑

(N H_{4})_{2} S O_{4} + C a (O H)_{2} \to C a S O_{4} + N H_{3} ↑ + H_{2} O

H g (N O_{3})_{2} \to H g + N O_{2} ↑ + O_{2} ↑

P b_{3} O_{4} + H C l \to P b C l_{2} + C l_{2} ↑ + H_{2} O

C a C O_{3} + H C l \to C a C l_{2} + C O_{2} + H_{2} O

C a C O_{3}

25

0.75 M

H C l

Calcium carbonate reacts with aqueous HCl to give CaCl₂and CO₂according to the reaction, CaCO₃+ 2HCl --> CaCl₂+ H₂O

What mass of CaCO3 is required to react completely with 25mL of 0.75 HCl?

C a C O_{3} + 2 H C l ⟶ C a C l_{2} + H_{2} O + C O_{2}

H C l

10

50 %

C a C O_{3}

C a C O_{3}

C O_{2}

C a C O_{3} + 2 H C l \to C a C l_{2} + H_{2} O + C O_{2}

C a C O_{3} = 100 u, H C l = 36.5 u C O_{2} = 44 u)

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