In modern periodic table while going from top to b | Chemistry Questions & Answers

Q:

In which of the following ${MgCl}_{2}$ is soluble?

A) Petrol	B) Acetone
C) Kerosene	D) Water

Answer & Explanation Answer: D) Water

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Q:

Which of the following elements has the electronic configuration 2, 8, 3?

A) Magnesium	B) Sodium
C) Aluminium	D) Argon

Answer & Explanation Answer: C) Aluminium

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Q:

What is the natural source of Oxalic acid?

A) Tomato	B) Sour milk
C) Ant sting	D) Tamarind

Answer & Explanation Answer: A) Tomato

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Q:

Alkali metals can

A) be highly unstable at room temperature	B) vaporize at room temperature
C) easily gain electrons	D) easily lose electrons

Answer & Explanation Answer: D) easily lose electrons

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Q:

Which among the following is white phosphorus?

A) P1	B) P6
C) P4	D) P5

Answer & Explanation Answer: C) P4

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Q:

Which of the following statement(s) is/are CORRECT?

A) Oxides of non-metals are basic	B) Oxides of non-metals are acidic
C) Oxides of metals are acidic	D) All options are correct

Answer & Explanation Answer: B) Oxides of non-metals are acidic

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Q:

Vinegar is __________ .

A) diluted acetic acid	B) glacial acetic acid
C) glacial formic acid	D) diluted formic acid

Answer & Explanation Answer: A) diluted acetic acid

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Q:

Which of the following is usually not an airpollutant?

A) Hydrocarbons	B) Sulphur dioxide
C) Carbon dioxide	D) Nitrous oxide

A) size of an atom increases	B) size of an atom decreases
C) ionisation energy of an atom increases	D) size and ionisation energy of an atom increases

In modern periodic table while going from top to bottom in a group ______.

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