Recent questions tagged jee main 2021 (24 feb shift 1)

by JeeNeetQnA in Atomic Structure asked Mar 4, 2021

Mass of Li3+ is 8.33 times mass of proton Li3+ and proton are accelerated through same potential difference.

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by JeeNeetQnA in Some Basic Concepts of Chemistry asked Mar 4, 2021

4.5 gm of solute having molar mass of 90 gm/mol is dissolved in water to make 250 ml solution. Calculate molarity

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by JeeNeetQnA in s - Block Elements (Alkali and Alkaline Earth Metals) asked Mar 4, 2021

Among the following compounds how many are amphoteric in nature Be(OH)2, BeO, Ba(OH)2, Sr(OH)2

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by JeeNeetQnA in Coordination Compounds asked Mar 4, 2021

What is the coordination number in Body centred cubic (BCC) arrangement of identical particles

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by JeeNeetQnA in General Principles and Processes of Isolation of Elements asked Mar 4, 2021

Composition of gun metal is

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by JeeNeetQnA in Redox Reactions asked Mar 4, 2021

(1) I2 + H2O2 + 2OH− ⟶ 2I− + 2H2O + O2 (2) H2O2 + HOCl ⟶ Cl− + H3O+ + O2

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by JeeNeetQnA in Chemistry asked Mar 4, 2021

S-1: Colourless cupric metaborate is converted into cuprous metaborate in luminous flame. S-2: Cuprous metaborate

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by JeeNeetQnA in General Principles and Processes of Isolation of Elements asked Mar 4, 2021

Which of the following ores are concentrated by cyanide of group Ist element.

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by JeeNeetQnA in Coordination Compounds asked Mar 4, 2021

Which of the following have both the compound isostructural.

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by JeeNeetQnA in Environmental Chemistry asked Mar 4, 2021

The gas evolved due to anaerobic degradation of vegetation causes?

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by JeeNeetQnA in Biomolecules asked Mar 4, 2021

Which force is responsible for the stacking of α-helix structure of protein?

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by JeeNeetQnA in Sets, Relations and Functions asked Mar 2, 2021

Let f(x) = 4x3 − 3x2 / 6 − 2 sin x + (2x−1) cos x then f(x)

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