1
IIT-JEE 1983
Subjective
+1
-0
Complete and balance the following equations:

Cl2 + OH- $$\to$$ Cl- + ClO-
2
IIT-JEE 1983
Subjective
+1
-0
Complete and balance the following equation:

HNO3 + HCl $$\to$$ NO + Cl2
3
IIT-JEE 1983
Fill in the Blanks
+1
-0
The unit vector perpendicular to the plane determined by $$P\left( {1, - 1,2} \right),\,Q\left( {2,0, - 1} \right)$$ and $$R\left( {0,2,1} \right)$$ is ...........
4
IIT-JEE 1983
Subjective
+2
-0
A vector $$\overrightarrow A $$ has components $${A_1},{A_2},{A_3}$$ in a right -handed rectangular Cartesian coordinate system $$oxyz.$$ The coordinate system is rotated about the $$x$$-axis through an angle $${\pi \over 2}.$$ Find the components of $$A$$ in the new coordinate system in terms of $${A_1},{A_2},{A_3}.$$
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