Cleaning the statue of liberty with acid would remove the protective copperoxide, wear away some of the coppernd leave the copper underneath... View Article
Anode being a positive elctrode attracts negative ions. At the anode, negative ions lose electrons. A few examples of anode are chlorine,... View Article
Given A car travels at a speed of 12m/s in 25 minutes. Find out We have to find the distance when the car travels in 25 min at 12 m/s.... View Article
Its red colour is mainly due to ferric oxides occurring as thin coatings on the soil particles while the iron oxide occurs as haematite or as... View Article
Reflex actions are sudden responses. It is an involuntary action that does not involve thinking. For example, when we touch a hot object, we... View Article
Blood is a specialized body fluid. It has four main components: plasma, red blood cells, white blood cells, and platelets. About 7 to 8 per cent... View Article
Answer: Sodium Sodium is an alkali metal and is so soft that it can be easily cut by knife. Soft metals are those which can be cut and easy... View Article
Answer: (d)Â neither the forward nor the reverse reaction has stopped. Chemical equilibrium is dynamic in nature wherein concentrations of both... View Article
Given that Time = 2 hours Distance = 20m/s Speed = Distance / Time Distance = Speed x Time = 20 m/s x 2 hours = 20 m/s x 2 x 60 x 60 sec... View Article
Answer: When the muscles are relaxed, the lens becomes thin. Thus, its focal length increases. The image is formed on the retina even on... View Article
A first-order reaction has a rate law in which the sum of the exponents is equal to 1. In a first-order reaction, the reaction rate is directly... View Article
Newton's third law is the principle behind the working of a jet plane. It states that every motion has an equal and opposite reaction. Newton's... View Article
