Unit of specific gravity is?
Unit of specific gravity is?
A. Pascal
B. No unit
C. Mass/volume
D. None of these
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Which of the following is not a donor atom?
Which of the following is not a donor atom?A. Phosphorus
B. Antimony
C. Arsenic
D. AluminumDespite the fluctuation in human body temperature. The temperature of human body remains at _________?
Despite the fluctuation in human body temperature. The temperature of human body remains at _________?A. 35 °C
B. 37 °C
C. 42 °C
D. 54 °CEpsom salt is chemically known as_________?
Epsom salt is chemically known as_________?A. Copper Sulfate
B. Magnesium Sulfate
C. Ferrous Sulfate
D. None of theseThe ability of the Eye to see in the dark, is due to the production of a purple pigment known as________?
The ability of the Eye to see in the dark, is due to the production of a purple pigment known as________?A. Carotene
B. Rhodopsin
C. Iodopsin
D. RetineneRetinene is better known as retinaldehyde or simply retinal and is fundamental in the transduction of light into visual signals in the photoreceptor level of the retina (known as the visual cycle). Retinene is more formally known as dehydroretinaldehyde.
Who invented the first battery?
Who invented the first battery?A. Alessandro volta
B. Tim Berner
C. Rob Stothard
D. Georges LeclancheWhat 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”.