Cooking gas is also called:
A. Butane
B. Propane
C. Hexane
D. None of these
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In the manufacture of Banaspati ghee, which gas is used?
A. Nitrogen
B. Hydrogen
C. Helium
D. None of these
Correct Answer: B . The gas used in the manufacture of Banaspati Ghee from Banaspati Oil is Hydrogen. At high pressure, in the presence of nickel catalyst, hydrogen is mixed with vegetable oils which turn them into vegetable ghee.
The color which we see when our eyes are closed?
A. Eigengrau
B. Grey
C. Black
D. None of these
Correct Answer: A
The colour you see when you close your eyes is not black. It’s lighter than black and is called Eigengrau.
A. Light
B. Energy
C. Waves
D. None of these
Correct Answer: A
Objects that give out or emit light of their own are called as luminous objects . Sun, Bulb and candle emit their own light and hence, are luminous objects.
Heating element of an electric heater is made up of which metal?
A. Lead
B. Tungsten
C. Nichrome
D. None of these
Correct Answer: C
Nichrome is a metal alloy made up of around 20 percent of chromium and 80 percent nickel. Nichrome has a high melting point and it won’t oxidise at higher temperature
Kidney stone is caused due to:
A. Sulfur dioxide
B. Aluminum oxide
C. Calcium oxalate
D. None of these
Correct Answer: C
Some foods that contain high levels of oxalate include: peanuts, spinach, chocolate , Beets and sweet potatoes. Moderating intake of these foods may be beneficial for people who form calcium oxalate stones.
The largest gland in the human body is:
A. Heart
B. Kidney
C. Liver
D. None of these
Correct Answer: C
The Pineal gland is the smallest gland in the human body.