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Identify The Type Of Chemical Reaction.

The given reaction is CaO(s) + SiO2(s) →CaSiO3(s) The given reaction is an example of a combination reaction because combining two products... View Article

Chlorine Consists Of 75% Chlorine-35, 35% And 25% Chlorine-37 Calculate The Average Atomic Mass.

The average atomic mass is given by: Therefore, the average atomic mass of Chlorine (Cl) is 35.5 gm/mol. Explore more such questions and... View Article

Two Rectangular Blocks, Having Identical Dimensions, Can Be Arrange Either In Configuration I Or In Configuration II. One Of The Blocks Has Thermal Conductivity K And The Other 2k. The Temperature Difference Between The Ends Along The X-axis Is The Same In Both The Configurations. It Takes 9s To Transport A Certain Amount Of Heat From The Hot End To The Cold End In The Configuration I. The Time To Transport The Same Amount Of Heat In The Configuration Ii Is?

Sol: The time to transport the same amount of heat in configuration II is 2 seconds. Explore more such questions and answers at BYJU'S.... View Article

Which Of The Following Dicot Plant Show Parallel Venation? (A) Smilax.(B) Hibiscus.(C) Dioscorea. (D) Calophyllum.

The correct answer is (D) Calophyllum. In parallel venation, veins are parallelly arranged with one another and mostly occurs in monocots.... View Article

What Is The Relation Between Rms Velocity, Average Velocity And Mostprobable Velocity?

RMS Velocity - Root means square velocity is the square root of the mean of squares of the velocity of individual gas molecules. Average... View Article

How Does Waste Accumulation Affect The Environment.

Waste accumulation affects the environment in many ways. Accumulation of wastes results in land pollution, landscape degeneration, soil... View Article

Give Reason: Carbonate And Sulphide Ores Are Usually Converted Into Oxides During The Process Of Extraction.

The conversion of metal carbonates and sulphides to metals is complicated and economically, and it is most critical. But conversion metal oxides... View Article

When An Interrupt Occurs An Operating System______

When an interrupt occurs, an operating system may change the state of the interrupted process to block and schedule another process. Explore... View Article

Premature Leaf Fall Is Due To Deficiency Of (A) Zinc. (B) Sodium. (C) Potassium. (D) Phosphorus.

The correct answer is (D) Phosphorus. Phosphorus is a vital component of DNA and ATP, the energy currency of plants. Phosphorus in plants plays... View Article

By Origin Brain Is (A) Ectoderm.(B) Mesoderm.(C) Endoderm.(D) Ecto-mesoderm.

The correct answer is (a) Ectoderm. The three germ layers formed due to gastrulation develops into specific organs by the process of... View Article

Non-cleidoic Eggs Are Found In (A) Fish.(B) Birds.(C) Mammals.(D) Reptiles.

The correct answer is (a) Fish. Cleidoic egg The eggs with a thick and hard outermost shell composed of hard calcium carbonate are known as... View Article

Find The General Solution Of The Differential Equation Dy/Dx – Y/X = 0.

Sol: Given: Integrating both sides, log y = log x + c where c is an arbitrary constant. log y = log kx where k is greater than zero.... View Article

Radioactivity Is A Nuclear Phenomenon. Comment On This Statement.

Any physical change or chemical change does not change the nature of radiation emitted by the substance and the rate of decay. This confirms... View Article

Two Discs Of The Same Material And Thickness Have Radii 0.2m And 0.6m. Their Moments Of Inertia About Then Axes Will Be In The Ratio Of :(A) 1:3.(B) 1:9.(C) 1:27.(D) 1:81.

The correct answer is (D)1:81. The moment of inertia of a disc about its central axis is Explore more such questions and answers at BYJU'S.... View Article

Which Of The Following Is Responsible For Glittering Of Diamond. (A) Refraction. (B)Interference. (C) Diffraction. (D)Total Internal Reflation.

The correct answer is (D)Total internal reflation. Explore more such questions and answers at BYJU'S.... View Article

Liquids Generally Have Lower Density As Compared To Solids. But You Must Have Observed That Ice Floats On Water. Find Out Why?

The volume of liquid is more than the volume of solid as the particles of liquids are packed freely and are free to move, thereby more volume.... View Article

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