Which would quickly absorb oxygen?
- Alkaline solution of pyrogallol
- $Conc \cdot H_2SO_4$
- Lime water
- Alkaline solution of $CuSO_4$
The Correct Option is A
Solution and Explanation
dioxygen gas $(O_2)$.
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The current passing through the battery in the given circuit, is:
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B. Chemotherapeutic drugs are used to kill non-cancerous cells.
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Choose the correct answer from the options given below:AB is a part of an electrical circuit (see figure). The potential difference \(V_A - V_B\), at the instant when current \(i = 2\) A and is increasing at a rate of 1 amp/second is:
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Concepts Used:
P-Block Elements
- P block elements are those in which the last electron enters any of the three p-orbitals of their respective shells. Since a p-subshell has three degenerate p-orbitals each of which can accommodate two electrons, therefore in all there are six groups of p-block elements.
- P block elements are shiny and usually a good conductor of electricity and heat as they have a tendency to lose an electron. You will find some amazing properties of elements in a P-block element like gallium. It’s a metal that can melt in the palm of your hand. Silicon is also one of the most important metalloids of the p-block group as it is an important component of glass.
P block elements consist of:
- Group 13 Elements: Boron family
- Group 14 Elements: Carbon family
- Group 15 Elements: Nitrogen family
- Group 16 Elements: Oxygen family
- Group 17 Elements: Fluorine family
- Group 18 Elements: Neon family