The negation of the statement ''If $I$ become a teacher,then $I$ will open a school'',is
- A$I$ will become a teacher and $I$ will not open a school
- BEither $I$ will not become a teacher or $I$ will not open a school
- CNeither $I$ will become a teacher nor $I$ will open a school
- D$I$ will not become a teacher or $I$ will open a school
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Match the following lists:
List-$I$ List-$II$ $A$. Ethane $1$. $2$ $sp$ carbons $B$. Ethylene $2$. $6$ $sp^2$ carbons $C$. Acetylene $3$. $2$ $sp^3$ carbons $D$. Benzene $4$. $2$ $sp^2$ carbons $5$. $1$ $sp$ and $1$ $sp^2$ carbons
| List-$I$ | List-$II$ |
| $A$. Ethane | $1$. $2$ $sp$ carbons |
| $B$. Ethylene | $2$. $6$ $sp^2$ carbons |
| $C$. Acetylene | $3$. $2$ $sp^3$ carbons |
| $D$. Benzene | $4$. $2$ $sp^2$ carbons |
| $5$. $1$ $sp$ and $1$ $sp^2$ carbons |
Which of the following is known as the $Christmas$ tree?
If $\alpha, \beta$ and $\gamma$ are the roots of the equation $x^3+p x^2+q x+r=0$,then the coefficient of $x$ in the cubic equation whose roots are $\alpha(\beta+\gamma), \beta(\gamma+\alpha)$ and $\gamma(\alpha+\beta)$ is
All alums contain:
Injury to the adrenal cortex is not likely to affect the secretion of which one of the following?
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