1
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

If the ionic product of $$\mathrm{Ni}(\mathrm{OH})_2$$ is $$1.9 \times 10^{-15}$$, then the molar solubility of $$\mathrm{Ni}(\mathrm{OH})_2$$ in $$1.0 \mathrm{~M} \mathrm{~NaOH}$$ is

A
$$2.9 \times 10^{-18} \mathrm{~M}$$
B
$$1.9 \times 10^{-13} \mathrm{~M}$$
C
$$1.9 \times 10^{-15} \mathrm{~M}$$
D
$$2.9 \times 10^{-14} \mathrm{~M}$$
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

If two compounds have the same empirical formula but different molecular formulae, they must have

A
different percentage composition
B
different molecular weights
C
same viscosity
D
same vapour density
3
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

If $$20 \mathrm{~g}$$ of $$\mathrm{CaCO}_3$$ is treated with $$100 \mathrm{~mL}$$ of $$20 \%$$ $$\mathrm{HCl}$$ solution, the amount of $$\mathrm{CO}_2$$ produced is

A
22.4 L
B
8.80 g
C
4.40 g
D
2.24 L
4
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

Choose the word which best expresses the meaning of the underlined word in the sentence.

The discovery of treasure under the Bermuda Triangle is probably a $$\underline {hoax} $$.

A
Analogy
B
Delusion
C
Bonanza
D
Trick
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