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Chemistry

Chemistry
The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3

2
zero
5
4

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Chemistry
The filter over which sewage is sprinkled is called as

Intermittent sand filter
Contact bed
Trickling filter
Percolating filter

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Chemistry
The amount of chlorine available in water after disinfection is called as

Free available chlorine
Free chlorine
Combined available chlorine
Residual chlorine

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Chemistry
The molecule which has the highest percentage of ionic character among the following is

HF
HBr
HCI
HI

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Chemistry
Nucleus of an atom consists of.

Proton
Electron, Proton and Neutron
Neutron
Proton and Neutron

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Chemistry
Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants

A B C3 2 1
A B C 2 3 1
A B C 2 1 3
A B C 3 1 2

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