1
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
2
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
' $X$ ' on hydrolysis gives two products. One of them is solid. What is ' $X$ '?
3
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following reactions give phosphine?
i. Reaction of calcium phosphide with water
ii. Heating white phosphorous with concentrated NaOH solution in inert atmosphere
iii. Heating red phosphorous with alkali
4
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Observe the following stoichiometric equation
$$ \mathrm{P}_4+3 \mathrm{OH}^{-}+3 \mathrm{H}_2 \mathrm{O} \rightarrow \mathrm{PH}_3+3 x^{-} $$
What is the conjugate acid of $x^{-}$?
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