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.Management Sciences
Category: Chemistry Mcqs
When phenol is heated with concentrated nitric acid the product is________________?
A. Picric acid
B. o-nitrophenol
C. 1 3 5 -trinitro benzene
D. p-nitrophenol
The volume occupied by 1.4g CO at S.T.P is___________________?
A. 22.4 dm3
B. 2.24 dm3
C. 1.12 cm3
D. 1.12 dm3
Which one of the following statement is correct for urea ?
A. it is a synthetic fertilizer
B. it is a natural fertilizer
C. it provides micronutrients to the plants
D. it is an inorganic water soluble compound
Ethyl chloride with nascent hydrogen produces_________________?
A. methane
B. ethane
C. propane
D. butane
Which of the following are isoelectronic species ?
A. H+ H H-
B. Li+ Na+ K+
C. C1- Br- I
D. F- Ne Na+
An atom loses or gains electrons to__________________?
A. Gain stability
B. Form a bond
C. Complete its outermost shell
D. all are accurate justifications
When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?
A. 0.33 nm
B. 0.34 nm
C. 0.35 nm
D. 0.36 nm
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