1
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The correct order of density of $\mathrm{Be}, \mathrm{Mg}, \mathrm{Ca}, \mathrm{Sr}$ is
A
$\mathrm{Sr}>\mathrm{Be}>\mathrm{Mg}>\mathrm{Ca}$
B
$\mathrm{Be}>\mathrm{Mg}>\mathrm{Ca}>\mathrm{Sr}_r$
C
$\mathrm{Mg}>\mathrm{Ca}>\mathrm{Sr}>\mathrm{Be}$
D
$\mathrm{Ca}>\mathrm{Sr}>\mathrm{Be}>\mathrm{Mg}$
2
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following orders is not correct against the given property?
A
$\mathrm{Ga}<\mathrm{In}<\mathrm{Tl}<\mathrm{Al}<\mathrm{B}$ - melting point
B
$\mathrm{Al}<\mathrm{Ga}<\mathrm{In}<\mathrm{Tl}<\mathrm{B}$ - Electronegativity
C
$\mathrm{B}<\mathrm{Al}<\mathrm{Ga}<$ In $<\mathrm{Tl}$ - density
D
$\mathrm{B}<\mathrm{Al}<\mathrm{Ga}<\mathrm{In}<\mathrm{Tl}$ - atomic radius
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following are correct?

i. Basic structural unit of silicates is $-R_2 \mathrm{SiO}-$

ii. Silicones are biocompatible

iii. Producer gas contains CO and $\mathrm{N}_2$

The correct option is

A
i, ii, iii
B
ii, iii only
C
i, iii only
D
i, ii only
4
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
An metal catalyst $(X)$ is used in the catalytic converter of automobiles. This prevents the release of gas $Y$ into the atmosphere. What are $X$ and $Y$ respectively?
A
$\mathrm{Pd}, \mathrm{NO}_2$
B
$\mathrm{Rh}, \mathrm{CO}_2$
C
$\mathrm{Pt}, \mathrm{N}_2$
D
$\mathrm{Ni}, \mathrm{CH}_4$
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