Jama Masjid of Delhi was built in which century? दली क जामा मजद कस सद मबनाई गई थी? Options: 1) 15th 15 व 2) 16th 16 व 3) 17th 17 व 4) 18th 18 व


At what temperature (in Fahrenheit) pure water freezes? शु जल कस तापमान (फ़ारेनहाइट म) पर जम जाता है? Options: 1) 32 2) 0 3) 48 4) 37

Correct Answer: 32We've all been taught that water freezes at 32 degrees Fahrenheit, 0 degrees Celsius, 273.15 Kelvin. That's not always the case, though. Scientists have found liquid water as cold as -40 degrees F in clouds and even cool...Read more