A child bitten by a dog was immediately taken to a doctor. Why?

Why is benzene diazonium chloride not stored and is used immediately after its preparation?

A child of mass 4 kg jumps from cart B to cart A and then immediately back to cart B . The mass of each cart is 20 kg and they are initially at rest. In both the cases the child jumps at 6 m//s relative to the cart. If the cart moves along the same line with negligible friction with the final velocities of V_(B) and V_(A) , respectively, find the ratio of 6V_(B) and 5v_(A) .

Why do fishes die when taken out of water ?

Why should not medicines be taken without consulting doctors ?

Sleeping pills are recommended by dictors to the patients suffering from sleeplessness but it is not advisable to take its doses without consultation with doctor. Why?

When droplets of mercury are brought in contact, they immediately combine to form a bigger drop. Why ? Is the temperature of the bigger drop the same, or more, or less than the temperature of the droplets?

Due to hectic and busy schedule, Mr. Singh started taking junk food in the lunch break and slowly become habitual of eating food irregularly to excel in his field. One day during 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 home made 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 felling better. After reading the above passage, answer the following : (i) What are the values (at least two) displayed by Mr. Khanna? (ii) What are antacids ? Give one example. (iii) Would it be advisable to take antacids for a long period of time ? Give reason.

Sleeping pills are recommended by doctors to the patients suffering from sleeplessness but it is not advisable to take its doses without consultation with the doctor. Why ?

How many statements are incorrect among following statements :- (i) LH surge induce rupture of graffian follicle. (ii) At puberty total 60000-80000 primary follicles are left in both ovaries. (iii)Immediately after implantation inner cell mass differentiates into placenta. (iv)Mammary glands differentiates after child birth.

A heavity bleeding and bruised road accident victim was brought to a nursing home . The doctor immediately gave him an injection to protect the patient's against a deadly disease. (a ) Write what did the docter inject into the patient's body . ( b) How do you think this injection would protect the patient againts the disease ? ( c) Name the disease against which this injection was given and the kind of immunity it provides .