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Chemistry

Chemistry
Sour milk contains

Acetic acid
Citric acid
Lactic acid
Tartaric acid

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Chemistry
Which one of the following is also known as solution ?

A compound
A homogeneous mixture
A heterogeneous mixture
A suspension

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Chemistry
The number of neutrons present in an element having mass number 226 and atomic number 88 is :

50
88
314
138

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Chemistry
The orientation of an atomic orbital is governed by

Magnetic quantum number
Principal quantum number
Azimuthal quantum number
Spin quantum number

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Chemistry
Iron and manganese present as pollutants in water cannot be removed by________

Oxidation followed by settling and filtration
Lime soda process or manganese zeolite process
Ion exchange process
Chlorination

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Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Ni
Pb
Pt
Cu

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