The water of crystallization is the variable number of water molecules present in a salt – (a) True (b) False

The water of crystallization is the variable number of water molecules present in a salt –
(a) True
(b) False
by

1 Answer

Answer :

(b) False
by

Related questions

Which of the following salt has water of crystallization? (A) Washing soda (B) Baking soda (C) Gypsum (D) None

Description : Which of the following salt has water of crystallization? (A) Washing soda (B) Baking soda (C) Gypsum (D) None

Last Answer : (C) Gypsum

The salt which does not possess water of crystallization is (a) Bleaching powder (b) Gypsum (c) Washing Soda (d) none of the above

Description : The salt which does not possess water of crystallization is (a) Bleaching powder (b) Gypsum (c) Washing Soda (d) none of the above

Last Answer : (a) Bleaching powder

What is the Number of water molecules present in Mohr’s salt? -General Knowledge

Description : What is the Number of water molecules present in Mohr’s salt? -General Knowledge

Last Answer : The answer is '8'

What is the Number of water molecules present in Mohr’s salt? -General Knowledge

Description : What is the Number of water molecules present in Mohr’s salt? -General Knowledge

Last Answer : answer:

What is the Number of water molecules present in Mohr’s salt?

Description : What is the Number of water molecules present in Mohr’s salt?

Last Answer : 1

Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey

Description : Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey

Last Answer : (b). Blue to white

Which of the following salts does not contain water of crystallization ? -SST 10th

Description : Which of the following salts does not contain water of crystallization ? -SST 10th

Last Answer : B - Baking soda does not contain water of crystallization. The chemical formula of baking soda is NaHCO3. Its formula does not show any association with water molecules. Other three contain water of crystallization blue vitriol (CuSO4 .5H20), washing soda (Na2CO3 .1OH2O) and gypsum (CaSO4 2H20).

Which of the following methods will separate water from muddy water? (1) Separating funnel (2) Distillation (3) Crystallization (4) Filtration

Description : Which of the following methods will separate water from muddy water? (1) Separating funnel (2) Distillation (3) Crystallization (4) Filtration

Last Answer : (4) Filtration Explanation: There are two ways to get water from a muddy mess: evaporation and filtration. Filtration is a process where the water is pumped through a porous material.

The loss of water of crystallization from a hydrat when exposed to air is termed: w) efflorescence (pron: eh-floor-es-ence) x) deliquescence (pron: del-i-kwes-ence) y) quiescence (pron: kwi-es-ence) z) anhydrogenation

Description : The loss of water of crystallization from a hydrat when exposed to air is termed: w) efflorescence (pron: eh-floor-es-ence) x) deliquescence (pron: del-i-kwes-ence) y) quiescence (pron: kwi-es-ence) z) anhydrogenation

Last Answer : ANSWER: W -- EFFLORESCENCE

A crystallized substance containing water of crystallization is most appropriately termed: w) a hydrate x) an oxide y) a hydroxide z) a condensation crystal

Description : A crystallized substance containing water of crystallization is most appropriately termed: w) a hydrate x) an oxide y) a hydroxide z) a condensation crystal

Last Answer : ANSWER: W -- A HYDRATE

What is meant by zone refining or fractional crystallization?

Description : What is meant by zone refining or fractional crystallization?

Last Answer : Zone refining is a technique of obtaining ultra pure metal. It is based on the principle of differences in solubility of impurities in liquid and solid states of the metal.

crystallization from cooling magma describes one way that -General Knowledge

Description : crystallization from cooling magma describes one way that -General Knowledge

Last Answer : Crystallization from cooling magma describes one way that minerals form.

What is crystallization ?

Description : What is crystallization ?

Last Answer : : Kelasan or crystallization is the process of slowly cooling the heated saturated solution of a thermally soluble soluble soluble in a certain solvent to separate the dissolved substance from the solution in a balanced and specific crystal form.

What technologies can solve the problem of membrane protein crystallization?

Description : What technologies can solve the problem of membrane protein crystallization?

Last Answer : One great strategy to tackle difficulties in membrane protein crystallization is our bicelle-protein crystallization technique. Bicelles are small bilayer disks formed in lipid/amphiphile mixtures, into ... is possible to access a variety of lipid bilayer structures simply by varying temperature.

Which of the following is required for crystallization and storage of the hormone insulin? (A) Mn++ (B) Mg++ (C) Ca++ (D) Zn++

Description : Which of the following is required for crystallization and storage of the hormone insulin? (A) Mn++ (B) Mg++ (C) Ca++ (D) Zn++

Last Answer : D

What is crystallization of a virus? What is the importance of this process?

Description : What is crystallization of a virus? What is the importance of this process?

Last Answer : Crystallization is the process of transformation of viral components into organized solid particles. Crystallization of biological macromolecules, including viral components, is used to study structural characteristics, for example, through X-rays, laser beams, etc. Life Kingdoms - Q&A Review

Cooking oil can be converted into vegetables ghee by the process of – (1) Oxidation (2) Hydrogenation (3) Distillation (4) Crystallization

Description : Cooking oil can be converted into vegetables ghee by the process of – (1) Oxidation (2) Hydrogenation (3) Distillation (4) Crystallization

Last Answer : (2) Hydrogenation Explanation: Hydrogenation is a chemical reaction - widely used in the processing of cooking oils and fats - that turns unsaturated fatty acids into saturated ones.

(2) stabilise the colloid and prevent crystallisation Explanation: Gelatine, being a colloid, has the property of preventing crystallization. In ice lollies and icecream this is demonstrated by the formation of a very fine crystal structure on freezing. This goes much further in that gelatine stabilized icecream does not become grainy or sandy due to the slow crystallisation of lactose with time.

Description : (2) stabilise the colloid and prevent crystallisation Explanation: Gelatine, being a colloid, has the property of preventing crystallization. In ice lollies and icecream this is demonstrated by the formation ... does not become grainy or sandy due to the slow crystallisation of lactose with time.

Last Answer : Glycol is added to aviation gasoline because it - (1) reduces evaporation of petrol (2) increases efficiency of petrol (3) prevents freezing of petrol (4) reduces consumption of petrol

Give principles behind – i) Crystallization ii) Chromatography

Description : Give principles behind – i) Crystallization ii) Chromatography

Last Answer : i) impure solid is dissolved in minimum amount of solvent, insoluble impurities are filtered out .solution containing soluble impurities is heated till crystallization point. The crystals of pure substance separate ... is solid the basis is adsorption and when it is liquid the basis is partition.

Define Crystallization.

Description : Define Crystallization.

Last Answer : Ans : Crystallization. Crystallization is the process of formation of solid crystals precipitating from a solution. In this process dissolved solute comes out of solution forming crystals. Formation of crystals. ... Filtration of solution. (c) Formation of crystals. (Cooling) (d) Drying of crystals.

Which of the following is required for crystallization and storage of the hormone insulin? (A) Mn++ (B) Mg++ (C) Ca++ (D) Zn++

Description : Which of the following is required for crystallization and storage of the hormone insulin? (A) Mn++ (B) Mg++ (C) Ca++ (D) Zn++

Last Answer : Mn++

Explain the principle of the following – (i) Distillation (ii) Drying (iii) Crystallization

Description : Explain the principle of the following – (i) Distillation (ii) Drying (iii) Crystallization

Last Answer : Distillation:-Distillation is an operation in which the components of a liquid mixture are separated using thermal energy. It depends upon the difference in boiling points of the individual components. The ... temperature. The solute then comes out of the solution in the form of pure crystals.  

Cryopreservation is a technique used for a) Crystallization of food b) Food packing c) Seed saving d) Preservation of excess production of vegetables

Description : Cryopreservation is a technique used for a) Crystallization of food b) Food packing c) Seed saving d) Preservation of excess production of vegetables

Last Answer : c) Seed saving

The class specific function of the different immunoglobulin molecules is constituted by (A) Variable region of L chain (B) Constant region of H chain (C) Variable region of H chain (D) Constant region particularly CH2 and CH3 of H chain

Description : The class specific function of the different immunoglobulin molecules is constituted by (A) Variable region of L chain (B) Constant region of H chain (C) Variable region of H chain (D) Constant region particularly CH2 and CH3 of H chain

Last Answer : Answer : D

System.effective_date system variable is read only True/False?

Description : System.effective_date system variable is read only True/False?

Last Answer : False

The corresponding Existential Instantiation rule: for the existential quantifier is slightly more complicated. For any sentence a, variable v, and constant symbol k that does not appear elsewhere in the knowledge base. a) True b) False

Description : The corresponding Existential Instantiation rule: for the existential quantifier is slightly more complicated. For any sentence a, variable v, and constant symbol k that does not appear elsewhere in the knowledge base. a) True b) False

Last Answer : a) True

The rule of Universal Instantiation (UI for short) says that we can infer any sentence obtained by substituting a ground term (a term without variables) for the variable. a) True b) False

Description : The rule of Universal Instantiation (UI for short) says that we can infer any sentence obtained by substituting a ground term (a term without variables) for the variable. a) True b) False

Last Answer : a) True

A Term is either an individual constant (a 0-ary function), or a variable, or an n-ary function applied to n terms: F(t1 t2 ..tn). a) True b) False

Description : A Term is either an individual constant (a 0-ary function), or a variable, or an n-ary function applied to n terms: F(t1 t2 ..tn). a) True b) False

Last Answer : a) True

The BACKTRACKING-SEARCH algorithm in Figure 5.3 has a very simple policy for what to do when a branch of the search fails: back up to the preceding variable and try a different value for it. This is called chronological-backtracking. It is also possible to go all the way to set of variable that caused failure. a) True b) False

Description : The BACKTRACKING-SEARCH algorithm in Figure 5.3 has a very simple policy for what to do when a branch of the search fails: back up to the preceding variable and try a different value for it. This is ... also possible to go all the way to set of variable that caused failure. a) True b) False

Last Answer : a) True

State true of false. i) Public can only be assigned to class ii) Protected protects a statement iii) Protected method is never accessible outside the package iv) Friendly variable may be accessible outside class A) i-true, ii-true, iii-false, iv-true B) i-true, ii-false, iii-true, iv-false C) i-false, ii-true, iii-false, iv-false D) i-true, ii-false, iii-false, iv-true

Description : State true of false. i) Public can only be assigned to class ii) Protected protects a statement iii) Protected method is never accessible outside the package iv) Friendly variable may be accessible outside class A) i- ... -false, ii-true, iii-false, iv-false D) i-true, ii-false, iii-false, iv-true

Last Answer : C) i-false, ii-true, iii-false, iv-false

Which of the following is true about the static member variable in C++. i) It is initialized to zero when the first object of its class is created. Other initialization is also permitted. ii) It is visible only within the class, but its lifetime is the entire program. A) i-True, ii-True B) ii-False, ii-True C) i-True, ii-False D) i-False, iii-False

Description : Which of the following is true about the static member variable in C++. i) It is initialized to zero when the first object of its class is created. Other initialization is also permitted. ii) It is visible only within ... , ii-True B) ii-False, ii-True C) i-True, ii-False D) i-False, iii-False

Last Answer : B) ii-False, ii-True

No of water molecules of cystalization in the epsom salt.

Description : No of water molecules of cystalization in the epsom salt.

Last Answer : No of water molecules of cystalization in the epsom salt.

Is it true or false salt is a solute in seawater?

Description : Is it true or false salt is a solute in seawater?

Last Answer : Feel Free to Answer

Which of the following is false? (1) Most carbon compounds are poor conductors of electricity. (2) The force of attraction between carbon molecules is not very strong. (3) The atomic number of carbon is 6. (4) The earth’s crust has about 2% carbon in the form of minerals.

Description : Which of the following is false? (1) Most carbon compounds are poor conductors of electricity. (2) The force of attraction between carbon molecules is not very strong. (3) The atomic number of carbon is 6. (4) The earth’s crust has about 2% carbon in the form of minerals.

Last Answer : (4) The earth’s crust has about 2% carbon in the form of minerals.

The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is?

Description : The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is?

Last Answer : 6.023 x 1019

Which of the following is FALSE in C? A) Keywords can be used as variable names B) Variable names can contain a digit C) Variable names do not contain a blank space D) Capital letters can be used in variables

Description : Which of the following is FALSE in C? A) Keywords can be used as variable names B) Variable names can contain a digit C) Variable names do not contain a blank space D) Capital letters can be used in variables

Last Answer : A) Keywords can be used as variable names

Find the false statement: (A) In Modern Cryptography, symmetric key algorithms use same key both for Encryption and Decryption. (B) The Symmetric cipher DES (Data Encryption Standard) was widely used in the industry for security product. (C) The AES (Advanced Encryption Standard) cryptosystem allows variable key lengths of size 56 bits and 124 bits. (D) Public key algorithms use two different keys for Encryption and Decryption.

Description : Find the false statement: (A) In Modern Cryptography, symmetric key algorithms use same key both for Encryption and Decryption. (B) The Symmetric cipher DES (Data Encryption Standard) was widely used ... and 124 bits. (D) Public key algorithms use two different keys for Encryption and Decryption.

Last Answer : (C) The AES (Advanced Encryption Standard) cryptosystem allows variable key lengths of size 56 bits and 124 bits.

Which of the following is false for the programming language PROLOG? (A) A PROLOG variable can only be assigned to a value once (B) PROLOG is a Strongly Typed Language. (C) The scope of a variable in PROLOG is a single clause or rule. (D) the scope of a variable in PROLOG is a Single Query

Description : Which of the following is false for the programming language PROLOG? (A) A PROLOG variable can only be assigned to a value once (B) PROLOG is a Strongly Typed Language. (C) The scope of a variable in PROLOG is a single clause or rule. (D) the scope of a variable in PROLOG is a Single Query

Last Answer : (B) PROLOG is a Strongly Typed Language.

The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in?

Description : The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in?

Last Answer : 12 moles of KMn0O4

Which of the following statements is false about cellulose? (a) It is a polymer of glucose molecules joined in β-1,4 linkages. (b) It is a major component of cotton. (c) It is used in the manufacture of Dacron fibres. (d) It is used in the manufacture of Rayon fibres

Description : Which of the following statements is false about cellulose? (a) It is a polymer of glucose molecules joined in β-1,4 linkages. (b) It is a major component of cotton. (c) It is used in the manufacture of Dacron fibres. (d) It is used in the manufacture of Rayon fibres

Last Answer : It is used in the manufacture of Dacron fibres.

Use the information and data given below to answer the questions • Stronger intermolecular forces result in higher boiling point • Strength of London forces increases with the number of electrons in the molecule • Boiling point of HF ,HCl, HBr and HI are 293K,189K,206K and 238K respectively (a) Which type of intermolecular forces are present in the molecules HCl, HBr and HI? (b) Looking at the trend of boiling points of HCl, HBr and HI, explain, out of dipole interaction and London interaction, which one predominant here? (c) Why is the boiling point of HF highest while that of HCl lowest?

Description : Use the information and data given below to answer the questions Stronger intermolecular forces result in higher boiling point Strength of London forces increases with the number of electrons in the molecule ... here? (c) Why is the boiling point of HF highest while that of HCl lowest?

Last Answer : Ans :( a) In the molecules HCl, HBr and HI, dipole-dipole interaction and London forces are present. (b) Dipole moment of HCl > HBr > HI but boiling point of HCl < HBr

Above image shows an experiment where copper sulphate crystals are heated. When we heat the crystals, they turn white. If you moisten the crystals again with water you will find that colour of crystals reappears . (1) How many water molecules are present in one formula unit of copper sulphate (a)5 (b)2 (c)6 (d)7

Description : Above image shows an experiment where copper sulphate crystals are heated. When we heat the crystals, they turn white. If you moisten the crystals again with water you will find that colour of crystals reappears . (1 ... are present in one formula unit of copper sulphate (a)5 (b)2 (c)6 (d)7

Last Answer : (a)5

How many molecules are present in one mole of water ?

Description : How many molecules are present in one mole of water ?

Last Answer : : One mole of water contains 6.023 x 106 nuclei.

Which is false regarding freshwater fish? a) their blood is hypertonic to their environment b) they often actively take up salt c) they excrete urine hypotonic to the blood d) their gills actively excrete salts

Description : Which is false regarding freshwater fish? a) their blood is hypertonic to their environment b) they often actively take up salt c) they excrete urine hypotonic to the blood d) their gills actively excrete salts

Last Answer : ANSWER: D -- THEIR GILLS ACTIVELY EXCRETE SALTS

Variable regions are present in (A) Immunoglobulins (B) α-Chains of T cell receptors (C) β-Chains of T cell receptors (D) All of these

Description : Variable regions are present in (A) Immunoglobulins (B) α-Chains of T cell receptors (C) β-Chains of T cell receptors (D) All of these

Last Answer : Answer : D

The volume of a gas at `0^(@)C` and 760 mm pressure is 22.4 c c. The no . Of molecules present in this volume is

Description : The volume of a gas at `0^(@)C` and 760 mm pressure is 22.4 c c. The no . Of molecules present in this volume is

Last Answer : The volume of a gas at `0^(@)C` and 760 mm pressure is 22.4 c c. The no . Of molecules present in this volume is ... `10^(-5)N_(A)` D. `10^(-2)N_(A)`

How many molecules are present in 3 moles of methanal?

Description : How many molecules are present in 3 moles of methanal?

Last Answer : 3 moles x 6.02x10^23 molecules/mole = 1.8x10^24 molecules

How many moles of neon gas (Ne) are present in 1.2 multiplied by 10 to the twenty-third power molecules of neon?

Description : How many moles of neon gas (Ne) are present in 1.2 multiplied by 10 to the twenty-third power molecules of neon?

Last Answer : The number of moles is 0,2.

How many molecules are present in 3 moles of methanal?

Description : How many molecules are present in 3 moles of methanal?

Last Answer : 3 moles x 6.02x10^23 molecules/mole = 1.8x10^24 molecules