121 .Deviations from ideal behavior will be more of the gas issubjected to-
A.  Low temperature and high pressure
B.  High temperature and low pressure
C.  Low temperature
D.  High temperature
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122 .Cod liver is an example of -
A.  Oil emulsion
B.  Oil in water emulsion
C.  Water in oil emulsion
D.  Water in water emulsion
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123 .The most electronegative element among the following is-
A.  Chlorine
B.  Oxygen
C.  Fluorine
D.  Sodium
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124 .When a gas is turned into a liquid, the process is called-
A.  Condensation
B.  Evaporation
C.  Deposition
D.  Sublimation
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125 .Barium in a suitable form is administered to patients before an X -ray examination of the stomach, because-
A.  barium allows X – rays to pass through the stomach on account its transparency to X –rays
B.  barium is a good absorber of – rays and this helps the stomach to appear clerly in contrast with the other regions in the picture
C.  barium is a good absosrber of X – rays and this helps the stomach to appear clerly in contrast with the other regions in the picture
D.  barium slats are white in colour and this help the stomach to appear clearly in contrast with other region in the pictures
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126 .The soft silvery metallic element which ionizes easily when heated or exposed to light and is present in atomicclocks is.
A.  Califonrium
B.  Calcium
C.  Cerium
D.  Cesium
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