The alkali metal which gives golden yellow colour in the flame test is📲PW App Link -
The alkali metal which gives golden yellow colour in the flame test is📲PW App Link -
The alkali metals will vigorously react with water. As you move down the group, reactivity increases. Each alkali metal has one valence electron.
Which of the following alkali metals is/are used in nhotnelectric cells?(A) Lithium(B) Potassium(C) Caesium(D) Francium📲PW App Link -
Among the following alkali metals how many are used as photoelectrodes? Li,Na,K,CsClass: 12Subject: CHEMISTRYChapter: JEE MAIN 2021Board:IIT JEEYou can ask a...
How is metal used on and around flat roofs? Comment below to have your question answered on a future episode!*****Metal is used ...
Alkali metals are used in photoelectric cells and photoelectric alarms . Explain. Class: 12Subject: PHYSICSChapter: DUAL NATURE OF RADIATION AND MATTER Board...
Which of the following alkali metals is frequently used as a cathode in the photoelectric cells ?
The alkali metal which can be obtained by metal displacement isClass:11Subject: CHEMISTRYChapter: THE ALKALI METALSBook:DINESH PUBLICATIONBoard:NEETYou can a...
6.4 Describe the pattern in reactivity of the alkali metals, lithium, sodium and potassium, with water; and use this pattern to predict the reactivity of oth...
Which of the following explanation is best for not placing hydrogen with alkali metals or halogen
Answer the followingWhich alkali metal is radioactive in nature?📲PW App Link -
Let''s explore the working principle of solar cells (photovoltaic cells), and how it''s different than a photodiode. Khan Academy is a nonprofit organization w...
, Which two alkali metals are used as electrodes in photochemical cells?P,,📲PW App Link -
Why in a photocell the cathode is coated with alkali metals ? Class:CLASS 12Subject: PHYSICSChapter: DUAL NATURE OF MATTER AND RADIATION & ATOMS AND NUCLEIBo...
List three properties of lithium in which it differs from rest of the alkali metals.📲PW App Link -
Which of the following alkaline earth metal oxide is most basic?
Which physical property in the alkali metal group increases with atomic number?b. Electronegativitya. Melting pointd. Densityc. Hydration enthalpy📲PW App Li...
Which alkali metal is frequently used in solar cells?(A) N(B) ( mathrm{Li} )(C) K(D) ( mathrm{Cs}_{mathrm{s}} )📲PW App Link -
, Which of the alkali metals is used as coolant in nuclear reactors?W,,📲PW App Link -
Which of the following alkali metals is frequently used as a cathode in the photoelectric cells ?Class: 11Subject: CHEMISTRYChapter: THE S BLOCK ELEMENTSBoar...
Explain the following:Alkali metals are used in photoelectric cells📲PW App Link -
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Which out of the following and why can be used to store an alkali metal? H_2O, C_2H_5OHBenzene📲PW App Link -
Lithium is used photoelectric cells.Class: 11Subject: CHEMISTRYChapter: S-BLOCK GROUP 1 - ALKALI METALSBoard:IIT JEEYou can ask any doubt from class 6-12, JE...
Question From - NCERT Chemistry Class 11 Chapter 10 Question – 005 THE S-BLOCK ELEMENTS CBSE, RBSE, UP, MP, BIHAR BOARDQUESTION TEXT:-Why does the solubility...
Magnesium uranyl least is used for Class: 11Subject: CHEMISTRYChapter: S-BLOCK GROUP 1 - ALKALI METALSBoard:IIT JEEYou can ask any doubt from class 6-12, JEE...
Name the alkali metal which floats over water without reacting with it.📲PW App Link -
With which of the following compounds, alkali metals (except lithium) can be used as a reducing agent?(A) ( mathrm{H}_{2} mathrm{O} )(B) Alcohol(C) Gaseo...
This video contain Why is polysilicon used as a gate contact instead of metal in CMOS ? for basic Electronics & VLSI engineers.as per my knowledge i shared ...
For alkali metals, which one of the following trends is incorrect? 📲PW App Link -
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