Which of the following statements about a radioactive sub...
Which of the following statements about a radioactive substance is/are correct? l. lt emits radiation continuously and spontaneously. ll. The emitted radiations are affected by temperature and pressure III. The radiation can penetrate opaque matter
ll only
l and ll only
l and lll only
ll and lll only
Correct answer is C
The properties of radioactive elements holds true except that radioactive decay is not dependent on external conditions except electron capture and bombarding the radioactive material with subatomic particles.
C8H18 will undergo the following reactions except...
To test for the presence of chloride ions in ion, correct sequence of reagents to use is ...
Water molecules are held together by ...
A substance which dissolves readily in organic solvent would ...
Which of the following hydrogen halides the highest entropy value? ...
The type of bonding in [Cu(NH\(_3\))\(^4\)]\(^{2+}\) is ...
An emulsion paint consists of ? ...
Ca(OH)2(s) + 2NH4Cl(s) → CaCl2(s) + 2H2O(l) + X. In the reaction above X is ...