Lithium is more active than aluminium

A. True

B. false

A ball held 2.0 meters above the floor has 59 joules of potential energy the bald mass is about

Shyam took out a bottle of cold water from the fridge, wiped it dry and left it on the table. A few minutes later he found water droplets on the outside of the bottle. Which process leads to the formation of the droplets?

It is good to have extra sugar in the blood. True False

The use of nuclear power throughout the world is generally

Arrange the following in order of increasing radius: O2-, F-, Ne, Rb+, Br - Rb + < F - < Br - < O2 - < Ne Br - < Rb + < Ne < F - < O2 - Ne < F - < O2 - < Rb + < Br - O2 - < F - < Ne < Rb + < Br - O2 - < Br - < F - < Ne < Rb + Br - < F - < O2 - < Ne

What is a radio interferometer? a device for correcting chromatic aberration in radio telescopes a device for absorbing and transmitting radio waves a network of several radio telescopes wired together a radio communication network joining several

In which galaxy is our solar system located? a. milky way b. ngc 4414 c. andromeda d. small magellanic cloud

Two astronauts, of masses 60 kg and 80 kg, are initially right next to each other and at rest in outer space. They suddenly push each other apart. How far has the heavier astronaut moved when the lighter astronaut has moved 12 m

A person suffering from anaemia gets tired

Jessica took a Mylar balloon outside on a very hot day. As she waited for the bus the balloon began to get bigger. What is the best explanation of this?