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Chemistry

Chemistry
Which of the following is ozone depleting pesticide ?

Methyl bromide
Benzene
D.T.
Ethylene ozonide

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Chemistry
Taj Mahal is greatly affected due to :

Deforestation
Sound pollution
Acid rain
Tourists

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

138
88
50
314

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Chemistry
Chemical composition of cement is

Limestone and Gypsum
Clay and Gypsum
Limestone and Clay
Limestone, Clay and Gypsum

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Chemistry
Cinnabar is an ore/mineral of

Lead
Manganese
Mercury
Molybdenum

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Chemistry
Plastic is a type of

Acrylic
Polyester
Polymer
None of these

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