Test Details

Mixwd

Nov 25, 9:03 PM

60 minutes

Nov 25, 10:03 PM

70.0 marks

MCQ

70 questions

Saurabh Chandra Gupta

I am a Chemistry expert which helps students to clear their concepts

Class Details

Chemistry

Class 12

Chemistry

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Question Text

Question 1 :
The IUPAC name of haloalkane is always written as a ______ word. 

Question 11 :
What is the smallest part of the crystal that has the three-dimensional pattern of the whole lattice called?

Question 13 :
The nature of bonds in compounds of C and Si is:

Question 17 :
Which of the following compounds would be a white, crystalline solid?

Question 21 :
If we take 44g of${ CO }_{ 2 }$and 14g of${ N }_{ 2 }$ , what will be themole fraction of${ CO }_{ 2 }$in the mixture?

Question 22 :
The mole fraction of solute in 10% (w/w) aqueous NaOH solution is:

Question 23 :
$Y$ molal solution of a compound in benzene has mole fraction of solute equal to $0.2$. The value of ?

Question 24 :
The mole fraction of solute in a solution is 0.3 . The mole percent of solvent is:

Question 25 :
In a glass we are having half filled water. Then we are continuously adding salt to the water and salt is getting dissolved into water. But a state occur when water is not able to dissolve salt. Then the solution is called as

Question 26 :
The sum of mole fractions of solute and solvent of a solution is equal to:

Question 27 :
An ideal gaseous mixture of ethane and ethene occupy $28L$ as STP. The mixture required $128g$ ${O}_{2}$ combustion, ,mole fraction of ethene in the mixture is:

Question 28 :
Which of the following are homogenous in nature ? (i) Ice (ii) Wood (iii) Soil (iv) Air

Question 29 :
The number of components in a binary solution are/is _______ .

Question 31 :
Transition state structure of the substate formed during an enzymatic reaction is

Question 40 :
The light coming from the sun is stored as energy in plants by the process of photosynthesis. This happens by converting carbon dioxide and water into:

Question 42 :
The products formed when a pinch of sugar is strongly heated for fifteen minutes in a test tube are:

Question 45 :
When sugar is treated with sulphuric acid, we get a very pure form of:

Question 49 :
Extremely dangerous and deadly cardiac glycosides are carried from the milkweed plant by the?

Question 51 :
Which of the following is correct about V group Hydrides (from ammonia to Bismuthine)

Question 54 :
Assertion: $H_{3}PO_{4}$ and $H_{3}PO_{3}$ both are present in fertilizers. Reason: $H_{3}PO_{3}$ increases the solubility of fertilizers.

Question 57 :
Which of the following is correct statement regarding $N(CH_3)_3$ and $N(SiH_3)_3$?

Question 60 :
Maximum number of covalent bonds formed by N and P respectively are :

Question 66 :
Nitrogen form $N_2$, but phosphorous form $P_2$, it'sat a time convert in $P_4$, reason is : -

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