Answer Posted / ameen mehvish sana

Woolen clothes keep us warm in winter because wool is an excellent insulator.

How are pka and strength of a weak acid related?

1044

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What is density of a liquid?

1153

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Give the principle of potentiometer titration.

1039

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What are the factors that affect the viscosity of a liquid?

1024

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What is chemical oxygen demand?

1060

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What is the resulting solution when benzene and toluene are mixed ?

1016

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Why is eriochrome black t indicator cannot be used in this experiment?

1171

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What general group of organic compounds are not oxidesied in the cod test?

1503

---

why do hard water never produce foam when a soap is dissolved?

1047

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Why graphite rod is used in nuclear reactor?

1029

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why we shrink our body during cold

1789

---

What is the chemical formula of alum?

1160

---

describe the lewis dot structure of Mg2+?

11989

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Why do you require laboratory temperature for viscosity determination?

1152

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What is pka of acid?

1162

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