1 light year = ?
1 light year = ?
A. 9.5×106 km
B. 9.5×109 km
C. 9.5×1012 km
D. 9.5×1018 km
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The property of a substance to absorb moisture from the air on exposure is called____________?
A. osmosis
B. deliquescence
C. efflorescence
D. desiccationCalcium sulphate is known as__________?
Calcium sulphate is known as__________?A. Epsom salt
B. Gypsum salt
C. Blue vitriol
D. Potash alumWhen water is filled in a bottle and is allowed to freeze, the bottle breaks because
When water is filled in a bottle and is allowed to freeze, the bottle breaks because
A. Water expands on freezing
B. Bottle contracts at freezing point
C. temperature outside the bottle is less than that inside the bottle.
D. None of the aboveMohs’ Scale” is used to indicate the_________?
Mohs’ Scale” is used to indicate the_________?A. Degree of hardness of minerals
B. Degree of viscosity of a liquid
C. Degree of elasticity of a material
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Hepatitis A is transmitted to various individuals by ?A. Sneezing
B. Faeces
C. Spit
D. WaterWhich one of the following is not a plant product?
Which one of the following is not a plant product?A. Caffeine
B. Nicotine
C. Piperine
D. Saccharin