Questions

Q:

What kind of fermented juice, made of spirits, sugar and hot water takes its name from the Hindustani word palm tree?

Answer

Toddy

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Q:

In paper manufacturing, degumming of the raw material is done using

A) sulphuric acid B) bleaching powder
C) caustic soda D) nitric acid
 
Answer & Explanation Answer: C) caustic soda

Explanation:

Paper production is basically a two-step process in which a fibrous raw material is first converted into pulp, and then the pulp is converted into paper. The harvestedwood is first processed so that the fibres are separated from the unusable fraction of the wood, the lignin. Pulp making can be done mechanically or chemically. In the chemical pulping process, alkali (e.g., sodium hydroxide in the form of a lye or caustic soda) is usually used to remove the lignin that binds the fibres. So, for degumming of raw material, caustic soda is used.

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

ATP generally energizes a cellular process by

A) direct chemical transfer of a phosphate group B) becoming oxidized
C) releasing heat upon hydrolysis D) direct chemical transfer of a sugar group
 
Answer & Explanation Answer: A) direct chemical transfer of a phosphate group

Explanation:

ATP generally energizes a cellular process by direct chemical transfer of a phosphate group.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

What is unit of Viscosity ?

A) coulomb B) newton second per square meter
C) watt per meter per degree celcius D) joule per kilogram per Kelvin
 
Answer & Explanation Answer: B) newton second per square meter

Explanation:

coulomb is unit of Electric Charge,

watt per meter per degree celcius is unit of Thermal Conductivity,

joule per kilogram per Kelvin is unit of Specific Heat capacity.

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Filed Under: Physics

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Q:

Why is February 28th celebrated as National Science Day ?

Answer

It was on February 28th, 1928 that CV Raman announced  his discovery of New radiation-subsequently named the Raman Effect- that won him the Noble prize.

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Q:

Which of the folowing is a rift valley

A) The Amazon valley B) The Thames valley
C) The Rhine valley D) The Mississipipi valley
 
Answer & Explanation Answer: C) The Rhine valley

Explanation:

A rift valley is an elongated trough like feature bounded by faults. The term 'garben' is considered synonymous to rift valley.

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Filed Under: World Geography

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Q:

Why was the 1955 UN General Assembly called "Menon Session" or "Menon Assembly"?

Answer

Because V K Krishna Menon spoke for 13hours continuously while representing india.

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Q:

Which of the following is not an intensive property?

A) Weight B) Density
C) Refractive index D) Melting point
 
Answer & Explanation Answer: A) Weight

Explanation:

An intensive property is a physical quantity whose value does not depend on the amount of the substance for which it is measured. For example, the temperature of a system in thermal equilibrium is the same as the temperature of any part of it. If the system is divided the temperature of each subsystem is identical. The same applies to the density of a homogeneous system, if the system is divided in half, the mass and the volume change in the identical ratio and the density remains unchanged. Additionally, the boiling point of a substance is another example of an intensive property. For example, the boiling point for water is 100 °C at a pressure of one atmosphere, a fact which remains true regardless of quantity.

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Filed Under: General Science
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