Which is the nearest star to our sun?
Which is the nearest star to our sun?
A. Proxima Centurai
B. Alpha Scorpii
C. Beta Orionis
D. Vega
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The brightest colour emitted by the sun is:
The brightest colour emitted by the sun is:A. Violet
B. Yellow-Green
C. Green- Blue
D. RedA satellite moving round the earth with a uniform speed has____________?
A satellite moving round the earth with a uniform speed has____________?A. An accelerated motion
B. No acceleration at all
C. Uniform acceleration
D. Uneven accelerationThe common refrigerant used in domestic Refrigerator is_____________?
The common refrigerant used in domestic Refrigerator is_____________?
A. Neon
B. Spirit
C. Freon/Ammonia
D. MethaneStars in the sky appear to twinkle due to _________?
Stars in the sky appear to twinkle due to _________?A. a series of refractions
B. a series of reflections
C. a surface tension phenomenon
D. multiple diminishing brightnessWood is the main raw material for the manufacture of ____________?
Wood is the main raw material for the manufacture of ____________?
A. Paint
B. Gun powder
C. Paper
D. InkThe PH of milk is __________?
The PH of milk is __________?A. 6.0
B. 6.5
C. 7.0
D.7.5Milk fresh from the cow typically has a pH between 6.5 and 6.7. The pH of milk changes over time. As milk goes sour, it becomes more acidic and the pH gets lower. This occurs as bacteria in milk convert the sugar lactose into lactic acid