What is used in making of alloys?
What is used in making of alloys?
A. Gypsum
B. Granite
C. Chromium
D. Lime-stone
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The percentage of plasma in human Blood is _________?
The percentage of plasma in human Blood is _________?A. 50%
B. 55%
C. 60%
D. 80%In which type of solar eclipse the Sun’s center is covered by the moon, leaving its edges uncovered?
In which type of solar eclipse the Sun’s center is covered by the moon, leaving its edges uncovered?A. Partial Solar Eclipse
B. Total Solar Eclipse
C. Annular Solar Eclipse
D. None of the aboveWhich layer of the atmosphere reflects radio waves back to the earth’s surface?
Which layer of the atmosphere reflects radio waves back to the earth’s surface?A. Troposphere
B. Stratosphere
C. Ozone layer
D. IonosphereWhich planet is called “red planet”?
Which planet is called “red planet”?A. Mars
B. Venus
C. Jupiter
D. SaturnWhat is chemical symbol for Tungsten?
What is chemical symbol for Tungsten?A. Z
B. T
C. Tn
D. WTungsten, or wolfram, is a chemical element with the symbol W and atomic number 74. The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, tung sten or “heavy stone”.
In an MRI machine, which one of the following is used?
In an MRI machine, which one of the following is used?A. Sound wave
B. ‘X’-ray
C. Ultra-sound wave
D. Magnetic wave