Study Of Compounds, Popular Questions: ICSE Class 10 CHEMISTRY, Concise Chemistry 10

Jaychand Simgh asked a question

Subject: Chemistry, asked on on 4/8/18

In cscl structure if edge length is x then distance between one cs atom and one cl atom is

Anindita Sarkar asked a question

Subject: Chemistry, asked on on 15/7/20

What is the chemical name and other name of Cu2S?

Sristy Choudhary asked a question

Subject: Chemistry, asked on on 23/12/17

Why does liquor ammonia fortis needs to be stored in tightly stoppered bottles in a cold place ?
(liquor ammonia fortis is also called 880 Ammonia, so are these two basically conc. NH4OH ?)

Vindhya asked a question

Subject: Chemistry, asked on on 25/8/18

Why is calcium hydroxide used in excess in the lab preparation of ammonia?

Sristy Choudhary asked a question

Subject: Chemistry, asked on on 23/12/17

What is the IUPAC name for CaCl₂.4NH₃ ?

Priyanjana Ghosh asked a question

Subject: Chemistry, asked on on 31/7/18

What is the gas which can be oxidised to sulphur

Aditi Ghosh asked a question

Subject: Chemistry, asked on on 25/1/19

Ammonia gas is passed in excess through copper nitrate solution.state one observation.

Sadanand Rawool asked a question

Subject: Chemistry, asked on on 4/1/19

How to convert ethyl bromide to ethene

Scarlet asked a question

Subject: Chemistry, asked on on 6/1/18

What is a typical acid?

Pranit Kothawade asked a question

Subject: Chemistry, asked on on 29/1/18

Tips for board exam

Susmita Das asked a question

Subject: Chemistry, asked on on 1/3/18

H o w w i l l y o u s e p a r a t e t h e f o l l o w i n g m i x t u r e s : I . C a r b o n d i o x i d e a n d h y d r o g e n I I C o l o u r s i n d y e I I I . C o m m o n s a l t a n d S a n d I V . S u l p h u r a n d C a r b o n V . C a m p h o r a n d S a n d D e d u c e t h e m o l e c u l a r f o r m u l a o f t h e f o l l o w i n g (I) P o t a s s i u m p e r m a n a g a t e (I I) C a l c i u m b r o m i d e (I I I) F e r r o u s s u l p h i d e (I V) S o d i u m s i l i c a t e (V) S o d i u m B i c a r b o n a t e

Rajay Rajay Chakrasingh asked a question

Subject: Chemistry, asked on on 7/4/18

What is the oxidation number of Mn in MnO4 ? Plz note this is MnO4 and NOT KMnO4!

Snigdha Verma asked a question

Subject: Chemistry, asked on on 31/12/17

State ur observation whrn dil.hydrochloric acid is added to magnesium ribbons

Sara asked a question

Subject: Chemistry, asked on on 1/8/18

State two conditions which affect the decomposition of nitric acid

Priyanshi asked a question

Subject: Chemistry, asked on on 18/3/18

Reaction of hot and concentrated nitric acid with copper

Manne Aravind asked a question

Subject: Chemistry, asked on on 15/7/18

What nature of hydrogen chloride gas is exhibited when liquified hydrogen chloride gas does not conduct electricity?

Atharv asked a question

Subject: Chemistry, asked on on 23/2/18

How to differentiate between potassium sulphate and ammonium sulphate

Nivedita Masih asked a question

Subject: Chemistry, asked on on 15/6/18

Some molecules os gas get squeezed to a comparatively less volume and this property is known as ------------- of a gas.

Reena Fernandes asked a question

Subject: Chemistry, asked on on 25/4/18

Plz solve this

Aditi Ghosh asked a question

Subject: Chemistry, asked on on 25/1/19

Ammonium sulphate is heated with NaOH and the gas liberated is bubbled into methyl orange solution

A R asked a question

Subject: Chemistry, asked on on 15/5/18

Q 33

33. A cubic solid is made up of two elements P and Q. Atoms of P are present at the corners of the cube and atoms of Q are present at body centre. What is the formula of the compound and what are coordination numbers of P and Q ?

(a) PQ₂, 6 : 6 (b) PQ, 6 : 6
(c) P₂Q, 6 : 8 (d) PQ, 8 : 8

Samiksha Jadhav asked a question

Subject: Chemistry, asked on on 13/2/18

3CaOCl2 + 2NH3= ?

Sristy Choudhary asked a question

Subject: Chemistry, asked on on 23/12/17

State one case in which chemical name of a compound isn't its IUPAC name ?

Pihu Dasgupta asked a question

Subject: Chemistry, asked on on 19/3/18

dil. hydrochloric acid is added to sodium thiosiulphate

Ankita Nath asked a question

Subject: Chemistry, asked on on 17/3/18

Q. Certainly blank spaces are left in the following table and these are labelled as A, B, C, D and E. Identify each of them.

Lab preparation of	Reactants used	Products formed	Drying agent	Method of collection
(i) HCl gas	NaCl + $H_{2} S O_{4}$	A	conc. $H_{2} S O_{4}$	B
(ii) $N H_{3} g a s$	C	Mg ${(O H)}_{2}$ $N H_{3}$	D	E

Susmita Das asked a question

Subject: Chemistry, asked on on 1/3/18

Solve :
Q. Give the example of each of the following :
i) A colloidal solution
ii) A true solution
iii) A heterogeneous liquid-liquid mixture
iv) A homogeneous solid-solid mixture
v) A homogeneous liquid-liquid mixture

Devangi Joshi asked a question

Subject: Chemistry, asked on on 15/9/18

explain why a solution of hydrogen chloride in water turns blue litmus red and conducts electricity,while a solution of thebsame gas is toluene : i)has no effect on litmus ii) does not conduct electricity

Anushka asked a question

Subject: Chemistry, asked on on 22/5/18

Why is the molar ratio of reactants of nitric acid taken as 1:1 .

Susmita Das asked a question

Subject: Chemistry, asked on on 2/3/18

Solve this:
Q.(g) Deduce the molecular formula of the following:
(i) Potassium permanganate,
(ii) Calcium bromide,
(iii) Ferrous sulphide,
(iv) Sodium zincate,
(v) Sodium bicarbonate.

Kristi asked a question

Subject: Chemistry, asked on on 1/2/19

Correct: ammonium salts on heating decompose to give ammonia

Susmita Das asked a question

Subject: Chemistry, asked on on 3/3/18

State the type of reactions for the following:

(i) C l_{2} + 2 K I = 2 K C l + I_{2} (i i) 2 M g + O_{2} = 2 M g O (i i i) 4 H N O_{3} = 4 N O_{2} + 2 H_{2} O + O_{2} (i v) A g N O_{3} + H C l = A g C l + H N O_{3} (v) Z n + H_{2} S O_{4} = Z n S O_{4} + H_{2}

Sristy Choudhary asked a question

Subject: Chemistry, asked on on 23/12/17

What is the difference between reaction of some compound with dilute HCl and the same compound with Concentrated HCl ? Please give examples of compound such as with Carbonates , Sulphates , etc ...

Snigdha Verma asked a question

Subject: Chemistry, asked on on 19/2/18

Which property of sulphuric acid is involved in the conversion of nitre to aqua fortis.

Pravin asked a question

Subject: Chemistry, asked on on 12/12/18

Give balanced equation for thermal decomposition of Ammonium Nitrate

Deepashu asked a question

Subject: Chemistry, asked on on 2/1/18

what happened when sodium nitrate reacts with dilute sulphuric acid

Snigdha Verma asked a question

Subject: Chemistry, asked on on 17/2/18

Give balanced equation-
Action of heat on silver nitrate.

Arunava Saha asked a question

Subject: Chemistry, asked on on 1/8/18

Formation of Ni(CO)4

Kripa Nayak asked a question

Subject: Chemistry, asked on on 25/4/20

What is the acidic property of Sulphuric Acid! Please explain it to me.

Bhagyalaxmi Khadanga asked a question

Subject: Chemistry, asked on on 25/4/19

except sulfuric acid what dehydrating agent can be used to absorb moisture from hydrochloric acid in laboratory preparation

Soubhagyo Sarkar asked a question

Subject: Chemistry, asked on on 18/10/21

What happens when liquid ammonia is kept in open air? Why?

Pihu Dasgupta asked a question

Subject: Chemistry, asked on on 19/3/18

a solid formed by reaction of 2 gases, one of which is acidic and the other basic in nature

Kushagra asked a question

Subject: Chemistry, asked on on 20/8/18

What happens when lead nitrate reacts with dilute hydrochloric acid

Aditya Ashish asked a question

Subject: Chemistry, asked on on 17/1/18

Difference between dilute hydrochloric acid and dilute nitric acid

Isha Das asked a question

Subject: Chemistry, asked on on 17/3/18

Draw the strucrure of the positive ion formed when ammonia gas dissolves in water .also state the other ion present in the solution.

Snigdha Verma asked a question

Subject: Chemistry, asked on on 31/12/17

State ur observation when conc.sulphuric acid is added to copper sulphate crystals.

Aditi asked a question

Subject: Chemistry, asked on on 31/12/17

Give give reason why concentrated nitric acid is not used for the preparation of hydrochloric acid

Sarthak Chakraborty asked a question

Subject: Chemistry, asked on on 29/11/18

Plz find this

Serastha Halder asked a question

Subject: Chemistry, asked on on 26/9/19

Why so3 is not directly dissolve in water

Rebanto asked a question

Subject: Chemistry, asked on on 30/8/18

Give equations for formation of two different acids from conc.H2SO4.
State the property of sulphuric acid involved in the above formation.

Priyanshi Pusan asked a question

Subject: Chemistry, asked on on 1/1/18

Why an empty flask or an anti suction device is put in between the generative flask and water trough, during the generation of HCL acid?