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प्रश्न
Choose the correct option.
Identify the odd one.
विकल्प
Rb
Ra
Sr
Be
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उत्तर
Rb, Ra, Sr, Be - Rb
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संबंधित प्रश्न
Explain the following.
Hydrogen shows similarity with alkali metals as well as halogens.
Answer the following question.
Outline the industrial production of dihydrogen from steam. Also, write the chemical reaction involved.
Answer the following question.
Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive?
Name the following.
A compound having hydrogen, aluminium, and lithium as its constituent elements.
Choose the correct option.
The unstable isotope of hydrogen is _________
Which of the following statements about hydrogen is incorrect?
Which one of the following statements is incorrect with regard to ortho and para dihydrogen?
Explain why hydrogen is not placed with the halogen in the periodic table.
Justify the position of hydrogen in the periodic table?
What are isotopes?
Write the names of isotopes of hydrogen.
How do you convert para-hydrogen into ortho hydrogen?
An isotope of hydrogen (A) reacts with diatomic molecule of element which occupies group number 16 and period number 2 to give compound (B) is used as a moderator in nuclear reaction. (A) adds on to a compound (C), which has the molecular formula C3H6 to give (D). Identify A, B, C and D.
Which of the following isotopes of hydrogen is a β-emitter?
Which of the following statements is INCORRECT?
Which of the following statements is INCORRECT?
The products of the following reaction are:
\[\ce{CH4_{(g)} + H2O_{(g)} ->[1270 K][Ni]}\]
Which of the following metal oxides CANNOT be reduced by hydrogen?
Which of the following properties of hydrogen is similar to halogen family?
Dihydrogen with high purity (> 99.96%) is obtained by ____________.
Which of the following halogens combine with dihydrogen at lowest temperature?
Caesium is used in ________.
Water gas is a mixture of ______.
Atomic hydrogen is obtained by passing ordinary hydrogen through ______.
