GCSE Chemistry 1-9: Group 1
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...
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...
For alkali metals, which one of the following trends is incorrect? 📲PW App Link -
Explain the following:Alkali metals are used in photoelectric cells📲PW App Link -
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...
The alkali metal which gives golden yellow colour in the flame test is📲PW App Link -
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...
Which of the following alkali metals is frequently used as a cathode in the photoelectric cells ?Class: 11Subject: CHEMISTRYChapter: THE S BLOCK ELEMENTSBoar...
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 ...
, Which two alkali metals are used as electrodes in photochemical cells?P,,📲PW App Link -
, Which of the alkali metals is used as coolant in nuclear reactors?W,,📲PW App Link -
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 explanation is best for not placing hydrogen with alkali metals or halogen
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...
, Which two alkali metals are used as electrodes in photochemical cells?P,,📲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.
Why in a photocell the cathode is coated with alkali metals ? Class:CLASS 12Subject: PHYSICSChapter: DUAL NATURE OF MATTER AND RADIATION & ATOMS AND NUCLEIBo...
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...
Name the alkali metal which floats over water without reacting with it.📲PW App Link -
Which of the following alkali metals is frequently used as a cathode in the photoelectric cells ?
How is metal used on and around flat roofs? Comment below to have your question answered on a future episode!*****Metal is used ...
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...
Which out of the following and why can be used to store an alkali metal? H_2O, C_2H_5OHBenzene📲PW App Link -
List three properties of lithium in which it differs from rest of the alkali metals.📲PW App Link -
Which alkali metal is frequently used in solar cells?(A) N(B) ( mathrm{Li} )(C) K(D) ( mathrm{Cs}_{mathrm{s}} )📲PW App Link -
Answer the followingWhich alkali metal is radioactive in nature?📲PW App Link -
Which of the following alkali metals is/are used in nhotnelectric cells?(A) Lithium(B) Potassium(C) Caesium(D) Francium📲PW App Link -
The alkali metal which can be obtained by metal displacement isClass:11Subject: CHEMISTRYChapter: THE ALKALI METALSBook:DINESH PUBLICATIONBoard:NEETYou can a...
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...
Which of the following alkaline earth metal oxide is most basic?
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Which physical property in the alkali metal group increases with atomic number?b. Electronegativitya. Melting pointd. Densityc. Hydration enthalpy📲PW App Li...
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