General Knowledge Questions

The credit of inventing the television goes to Philo Farnsworth. Electronic television was first successfully demonstrated in San Francisco on Sept. 7, 1927.

True, poorly controlled stress and anger can lead to heart attacks and strokes.

To get the mass of a mole of NaCl, we need to add the molar atomic weights of the individual elements i.e, Na and Cl

Atomic weights of Na = 22.99 gm/mol  Cl = 35.45 gm/mol

Now, mass of a mole of NaCl = 22.99 + 35.45 = 58.44 gm/mol.

A tenant farmer is one who resides on land owned by a landlord. These farmers would have to share the yield with the landowner in a process known as sharecropping. In the South, these farmers need to have their own tools and animals.

The aim of science is to get an understanding of the natural world, while the aim of technology is to use that understanding to improve people's lives. 

Hence, Advances in science can lead to new technology.

Venus planet is known as the Morning Star or the Evening Star.

Hub works on layer 1 i.e, physical layer.

Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.