The Number Of Common Terms Of The Sequence 17 21 25 417 And 16 21 26 466 Is
(1) 21 (2) 19 (3) 20 (4) None of these Solution: For the first series, common difference, d1 = 4... View Article
Latest Posts
If First Fifth And Last Terms Of An Ap Is L M P Respectively And Sum Of The Ap Is L Plus P 4p M 5l By K M L Then K Is
(1) 2 (2) 3 (3) 4 (4) 5 Solution: Given a = l a5 = m a+4d = m l+4d... View Article
If Sr Denotes The Sum Of R Terms Of An Ap And Sa By A2 Equal Sa By B2 Equal C Then Sc Is
(1) c3 (2) c/ab (3) abc (4) a+b+c Solution: Let k be the first term of AP with common difference... View Article
Does Sodium Explode In Air
Sodium is a highly reactive metal that reacts strongly with the air’s oxygen, carbon dioxide and humidity, so that it... View Article
What Is Momentum And Its Importance
Momentum is a term in sports that is widely used. A team is on the move that has the momentum... View Article
Are Metal Oxides Bases
In nature, metal oxides are basic because they react to form bases with water. When acids react with metal oxides,... View Article
How Do You Identify A Chemical Bond
Compounds containing two elements may either have ionic or covalent bonding (so-called binary compounds). Its bonding would be ionic if... View Article
Are Halogens Reactive With Water
Halogens are extremely reactive, and can be harmful or lethal in appropriate amounts to biological organisms. This reactivity is attributed... View Article
Why Is Carnot Cycle Most Efficient
The theoretical maximum efficiency that can be achieved when the heat engine operates between two temperatures is the Carnot Efficiency:... View Article
Where Are Halogens Found
Halogens are used in the sectors of chemicals, water and sanitation, plastics, pharmaceuticals, pulp and paper, textiles, military and oil.... View Article
Is The Heisenberg Uncertainty Principle True
The Heisenberg Uncertainty Theory states that both the location and the velocity of a particle are difficult to calculate simultaneously.... View Article
What Is Bohrs Orbit
The Bohr model suggests that the electrons in atoms are in various energy orbits around the nucleus (think of planets... View Article
Why Are Redox Reactions Used In Batteries
Batteries are devices that, from a redox reaction, produce an electric current. Basically, the battery turns chemical energy into electrical... View Article
What Is Oxidation And Reduction In Electrolysis
Electrons migrate from the reducing agent at the anode to the oxidising agent at the cathode in all electrolytic cells.... View Article
Is Bleach A Redox Reaction
Most domestic bleaches are chlorine-based and contain sodium hypochlorite (NaClO). This is an oxidising agent, allowing another chemical compound to... View Article
What Happens To Chemical Bonds In A Chemical Reaction
The bonds that keep molecules together break apart and form new bonds during chemical reactions, rearranging atoms into different substances.... View Article
Why Is Heisenbergs Uncertainty Principle Insignificant For Macroscopic Objects
The uncertainty principle is not obeyed by macroscopic objects. As their wave-like properties become dominant, the same can not be... View Article
What Is Another Word For Electric Charge
Electric charge, the basic property of matter carried by certain elementary particles, which determines how an electric or magnetic field... View Article
How Is Hydrogen Used In Everyday Life
A very useful element is hydrogen. It is used for fertilisers, grinding metals, and methanol to make ammonia for the... View Article
Why Do Coordination Compounds Have Color
Different ligands have different effects on the central ion energy of the d orbitals. The more energy is required to... View Article
