The property of a substance to absorb moisture from the air
on exposure is called
1 Osmosis
2 Dessication
3 Efflorescence
4 Deliquescence
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precautions to be observed while using electrical equipment
Water is neither acidic nor alkaline because 1 It cannot accept or donate protons 2 It boils at a high temperature 3 It can dissociate into equal number of hydrogen ions 4 It cannot donate or accept electrons
Which comet collided with jupiter?
Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these
Which of the following metals was first discovered by man? 1 Bronze 2 Silver 3 Iron 4 Copper
On what basis Friability limit NMT 1.0%w/w is recommended. what is impact on formulation if this limit exceeds.
Which of the following is used for removing air bubbles from glass during its manufacture? 1 Feldspar 2 Arsenious oxide 3 Potassium carbonate 4 Soda ash
Who propounded the signs of the zodiac?
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Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones
The neutral atom’s two isotopes differ in the number of 1 Electron shells 2 Protons 3 Valence electrons 4 Neutrons
What does the Haversion central canal in each osteon contains?