How Chimpanzees break and open the hard shells for eating the nuts?

How Chimpanzees back open the hard shells for eating the nuts?

How can the hardness of water be expressed?

How many electrons are there in valence shell of Mg atom?

Shell is curved, tubular and open at both ends in

How many orbitals do you expect to be present in the 5th shell?

A manufacturer produces nuts and bolts. It takes 1 hour of worl in machine A and 3 hours on machine B to produce a package of nuts. It take 3 hours on machien A and 1 hour on machine B to produce a package of bolts. He earns a profit of Rs. 17.50 per package on nuts and Rs. 7.00 per package on bolts. How many packages of each should be produced each day so as to maximise bis profit, if he operates his machines for at the most 12 hours a day?

In an inelastic collision an electron excites as hydrogen atom from its ground state to a M -shell state. A second electron collides instantaneously with the excited hydrogen atom in the M-state and ionizes it. At least how much energy the second electron transfers to the atom in the M-state ?

Due to hectic and busy schedule, Mr. Singh started taking Junk food in the lunch break and slowly became habitual of eating food irregularly to excel in his field. One day, during a meeting he felt severe chest pain and fell down. Mr. Khanna, a close friend of Mr. Singh took him to doctor immediately. The doctor diagnosed that Mr. Singh was suffering from acidity and prescribed some medicines. Mr. Khanna advised him to eat homemade food and change his lifestyle by doing yoga, meditation and some physical exercise. Mr. Singh followed his friend's advice and after few days he started feeling better. Would it be advisable to take antacids for a long period of time? Give reason.

Due to hectic and busy schedule, Mr. Singh started taking Junk food in the lunch break and slowly became habitual of eating food irregularly to excel in his field. One day, during a meeting he felt severe chest pain and fell down. Mr. Khanna, a close friend of Mr. Singh took him to doctor immediately. The doctor diagnosed that Mr. Singh was suffering from acidity and prescribed some medicines. Mr. Khanna advised him to eat homemade food and change his lifestyle by doing yoga, meditation and some physical exercise. Mr. Singh followed his friend's advice and after few days he started feeling better. What are the values (atleast two) displayed by Mr. Khanna?What are antacids? Give one Example. Would it be advisable to take antacids for a long period of time? Give reason.