Q:

Which equation is an example of a synthesis reaction?

A) 2H2 + O2 → 2H2O	B) Na + Cl → NaCl
C) HA + BOH → H2O + BA	D) NaCl + AgNO3 → NaNO3 + AgCl

Answer & Explanation Answer: B) Na + Cl → NaCl

Explanation:

When two or more chemical species combine to form a single product, the reaction is said to be synthesis reaction. It is also called as Direct Combination reaction.

Here in the given options, Sodium (Na) combines with Chlorine (Cl) to form a more complex single product Sodium Chloride (NaCl).

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Q:

Missing letters puzzle

Answer

Answer : Y

Explanation: Start on the left hand of the diagram, and move clockwise. Letters are written in alphabetical order, in steps of 10 letters at a time.

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Subject: Missing letters puzzles

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Q:

Which one of the following places did Mahatma Gandhi first start his Satyagraha in India?

A) Bardoli	B) Ahmedabad
C) Kheda	D) Champaran

Answer & Explanation Answer: D) Champaran

Explanation:

Mahatma Gandhi first start his Satyagraha from Champaran in India.

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Q:

Voiceless it cries, wingless flutters, toothless bites, mouth-less mutters.

What is it?

Answer

It is The Wind which cries without a voice, flutters without wings, bites toothless and mutters mouthless.

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Q:

1 Mole of CO2 mass is

A) 32 gms	B) 44 gms
C) 16 gms	D) 12 gms

Answer & Explanation Answer: B) 44 gms

Explanation:

We know that,

Mass of Carbon = 12 gms

Mass of Oxygen = 16 gms = O2 => 16 * 2 = 32 gms

=> Mass of 1 mole of CO2 = 12 + 32 = 44 gms.

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Q:

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

Neither of the scout leaders know (A)/ how to trap wild animals (B)/ or how to prepare them for mounting (C)/ No Error (D)

A) A	B) B
C) C	D) D

Answer & Explanation Answer: A) A

Explanation:

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Q:

Group of 4 is called as

A) Septory	B) Qintet
C) Hexet	D) Quartet

Answer & Explanation Answer: D) Quartet

Explanation:

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Q:

"Words in the Garden" festival on Gandhian philosophy is scheduled to be held in which city?

A) Hyderabad	B) Pune
C) Kolkata	D) New Delhi

Answer & Explanation Answer: D) New Delhi

Explanation:

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