1) 48√2 sq m 2) 48√3 sq m 3) 12√3 sq m 4) 12√2 sq m Solution: (1) 48√2 sq... View Article
1) 62 m 2) 301 m 3) 101 m 4) 75 m 5) 52 m Solution: (5) 52 m The... View Article
1) b . [a2 + b2] / [a2 – b2] 2) a . [a2 – b2] / [a2 + b2]... View Article
1) b tan α cot β 2) b cot α tan β 3) b cot α cot β 4) b... View Article
The hydrocarbon vapours are heavier than air. The vapour form of hydrocarbon will get collected in enclosed or low spaces.... View Article
During reverse polymerization, organic waste is broken down into simpler components by applying a high energy microwave. Molecular bonds are... View Article
The heat pumps lose efficiency below 32-degree Fahrenheit. At very low temperatures heat pumps must rely on secondary sources to... View Article
AlCl3 is soluble in water. The reaction between AlCl3 and water is exothermic and aggressive.
Francium is the heaviest alkali metal in group 1 of the periodic table.
The double bond is stronger than the single bond and a triple bond is stronger than a double bond.
Motion in a plane is called two-dimensional motion. Circular motion is a two-dimensional motion.
Salt is a very effective way to make ice cubes melt faster. The other methods would be to pour hot... View Article
Uncertainty principle or Heisenberg uncertainty principle is the important theory in quantum physics. The principle states that it is impossible... View Article
Nuclear energy refers to the energy in the core or the nucleus of the atom. Nuclear energy can be produced... View Article
DC voltmeter is used in the measurement of DC voltage across any two points. DC voltmeter measures the peak value... View Article
200 m on a multimeter means 200 milli. The voltage and the current can be set to 200 millivolts or... View Article
Pb2+ Cr3+ Fe2+ Sn2+ Answer: a. Pb2+ Reason A good oxidizing agent has the highest reduction potential.
Yes, copper glance is a sulphide ore.
The element with the highest density in group 1 is Francium. The atomic number is 87 and its density is... View Article
The Arrhenius equation for the rate constant is given as k = Ae-(Ea/RT) Here, k is the rate constant A... View Article
