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Aldehydes Are More Reactive Toward Nucleophillic Addition Reactions Than Ketones

Aldehydes are more reactive than ketones in nucleophilic addition reactions because: Steric effects Influence of electronic effects Explore... View Article

In human beings, vestigial organs are A) Wisdom tooth, coccyx, nail, auricular Muscles B) Wisdom tooth, coccyx. eyelid, vermiform appendix C) Wisdom tooth, coccyx, vermiform appendix, pancreas and elbow joint. D) Wisdom tooth, coccyx, vermiform appendix, nictitating membrane and auricular Muscles.

The correct answer is (D) Wisdom Tooth, Coccyx, Vermiform Appendix, Nictitating Membrane And Auricular Muscles. The organs that have no apparent... View Article

A well of diameter 4 m is dug 21 m deep. the earth taken out of its has been spread evenly all around it in the shape of a circular ring of width 3 m to form an embankment. find the height of the embankment.

Given: Diameter = 4 m Radius = 2 m Height = 21 m The volume of soil dug from well = volume of earth used to form the embankment... View Article

Explain How The Great Economic Depression Affected The German Economy

The impact of the Great Depression on Germany are: It led to economic crises in Germany Reduced the wages of the employed workers Many... View Article

Which One Of The Following Is Oviparous (A)Whale(B)Platypus(C)Elephant(D)Flying Fox (Bat)

The correct answer is (B) Platypus. Platypus is an egg-laying mammal. Explore more such questions and answers at BYJU’S.... View Article

Which City Is Located On The Water Divide Between The Indus And The Ganga River

The city Ambala is located on the water, which divides the Indus and the Ganga river systems. Explore more such questions and answers at BYJU’S.... View Article

Five identical springs are used in the following three configurations. the time periods of vertical oscillations in configurations (i), (ii) and (iii) are in the ratio (A) 2 : 1/Sqrt2 : 1 (B) 1/Sqrt2 : 2 : 1 (C) 1 : Sqrt2 : 1/Sqrt2 (D) 2 : Sqrt2 : 1 : Sqrt2

The correct answer is (C) 1: Sqrt2: 1/Sqrt2 As we know: Taking the ratio, we get Explore more such questions and answers at BYJU’S.... View Article

Who Gave The Two Nation Theory

Muhammad Ali Jinnah gave the 'two-nation theory. Two nation theory is the basis of the creation of Pakistan. Explore more such questions and... View Article

A Fan Is Running At 3000 Rpm. It Is Switched Off. It Comes To Rest By Uniformly Decreasing Its Angular Speed In 10 Seconds. The Total Number Of Revolutions In This Period.

The total number of revolutions in this period is 250 revolutions. Explore more such questions and answers at BYJU’S.... View Article

The Least Count Of Vernier Scale Is

The Least Count of vernier calliper is the value of one division of the primary scale divided by the total number of divisions of the vernier... View Article

Eutrophication Causes Reduction In: (A) Nutrients (B) Dissolved Salts (C) Dissolved Oxygen (D)All Of These

The correct answer is (C) Dissolved Oxygen Explore more such questions and answers at BYJU’S.... View Article

A Grinding Wheel Attained A Velocity Of 20 Rad/Sec In 5 Sec Starting From Rest. Find The Number Of Revolutions Made By The Wheel.

The angular acceleration is given as: By using The number of revolutions is Therefore, the number of revolutions is... View Article

Give Two Examples Of Phylum Ctenophora

Sea gooseberry and Cestrum are examples of phylum Ctenophora. Explore more such questions and answers at BYJU’S.... View Article

What Are The Characteristics Of Fuse Wire

The main characteristic of fuse wire is it should possess a low melting point and high specific resistance. Explore more such questions and... View Article

Which Of The Following Are Not Present In Animal Cell (A) Nucleus (B)Vacuoles (C)Cell Wall (D) Centrosome

The correct answer is (C) Cell Wall. The cell wall is not present in animal cells; they are found only in plant cells. Explore more such... View Article

Give The General Formulae Of Monosaccharides And Polysaccharides

The general formula of monosaccharides is The general formula of polysaccharides is Explore more such questions and answers at BYJU’S.... View Article

A Sample Of Kclo3 On Decomposition Yielded 448 Ml Of Oxygen Gas At Ntp.Calculate (I) Weight Of Oxygen Product (Ii) Weight Of Kclo3 Originally Taken (Iii) Weight Of Kcl Produced.

2KClO3 2KCl + 3O2. Number of moles of Oxygen (O2) at STP = . . = 0.02 mole. Mass of 1 mole of Oxygen (O2) = 32 gms . Mass of 0.02 mole... View Article

What Is An Ore Where Are The Ores Of Metallic Minerals

An ore is defined as a rock from which a particular mineral can be profitably extracted. The ores of metallic minerals are generally located... View Article

Which Of The Following Is Scalars (A) Mass (B) Weight (C) Velocity (D) Acceleration

The correct answer is (A) Mass Explore more such questions and answers at BYJU’S.... View Article

Ribosomes Are The Centre For Which Of The Following (A) Respiration (B) Photosynthesis (C) Synthesis of fats (D) Synthesis of Protein

The correct answer is (D) Synthesis of Protein Explore more such questions and answers at BYJU’S.... View Article

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