The growth of the plant is because of its chemical change as photosynthesis produces so many chemicals which are helpful in the growth of plants unlike physical change just give some notice worthy thing. So option B is the correct answer to this problem which is chemical change.
Is grass grows chemical or physical?
The entire biological process occurs due to chemical reactions in the plant cells, thus making it a chemical change.
Why is grass growing in a lawn a chemical change?
The process of photosynthesis, which allows grass and all plants to grow, is a chemical change because it takes specific molecules and uses energy from the rays of the sun to convert them into new molecules. Grass begins as a seed and once it becomes a plant, it cannot be a seed again.
Is grass being cut chemical or physical change?
Cutting the grass or pulverizing a rock would be other irreversible physical changes. Firewood also represents an irreversible physical change since the pieces cannot be put back together to form the tree.
Is growing hair a physical change?
When hair grows, the atoms that make up different substances are not being rearranged. Since there is change, but no rearrangement, we classify hair growing as a physical change. A physical change is a change in appearance but not the structure or organization of the components.
Is frying an egg a chemical change?
Cooking Food is an example of chemical change.
Why is growing plant a chemical change?
Growth occurs due to the intake of food. The substances present in food are used to nourish the cells and allow them to grow/divide. Hence, growth is a chemical change in which the molecules present in the food undergo changes to form molecules that enhance growth.
Why is a plant growing a physical change?
It is a physical change because the growth of the plant occurs due to an increase in cell number and cell size.
Is a tree growing a chemical change?
This is because growth of a tree involves changes in overall shape and size of the tree (tree on growing becomes bigger in size and its branches spread out). So, it is a chemical change.
Is painting a house a physical change?
A Physical Change changes how things look, Like tearing the pages of a book, Or freezing a liquid, like water to ice, Or painting a house to make it look nice. A Chemical Change has come to pass If you can see a new solid, liquid, or gas. The color may change or the energy too.
Is baking a cake a physical change?
When you bake a cake, the ingredients go through a chemical change. A chemical change occurs when the molecules that compose two or more substances are rearranged to form a new substance! When you start baking, you have a mixture of ingredients. The flour, egg, sugar, etc.
Is mowing the lawn a physical activity?
Cardio by the Yard But mowing the grass with any type of push mower counts toward the 150 minutes of moderate physical activity (or 75 minutes of vigorous physical activity) you’re supposed to accrue each week. A gasoline- or electric-powered mower gives you a moderate workout.
Which option is an example of a chemical change?
Burning, cooking, rusting and rotting are examples of chemical changes.
Is boiled water a chemical change?
Boiling water is a physical change because the gaseous water produced is chemically identical to the liquid water i.e both of them have the same molecular structure of the water.
Is growing of a child chemical change?
It’s a physical process because of change in height, weight as well as development of other organs and it’s a chemical change baby’s brain undergoes growth and change in response to neuron signal is observed.
Does pubic hair stop growing?
Can you regrow pubic hair after menopause? Pubic hair and hair on the body doesn’t usually grow back after the menopause, this is due to levels of oestrogen and progesterone remaining low as we continue to age. Not everyone will lose their pubic hair.
Is dying your hair a chemical change?
Permanent dyes cause chemical changes that increase the penetration of the product into the hair, bleach the natural melanin, and create color molecules that get trapped inside the shaft. These chemical changes can damage the hair.
Is squeezing orange juice a chemical change?
Answer: Squeezing oranges is a physical change because no chemical composition of substance changes .
Is a rotting banana a chemical change?
Other examples of chemical changes include: reactions that are performed in a lab (such as copper reacting with nitric acid), all forms of combustion (burning), and food being cooked, digested, or rotting (Figure 7.2.
Is toasting bread a chemical change?
Whether you’re cooking meat, toasting bread or roasting coffee, you’re performing a particular chemical reaction – the Maillard reaction. This process, named for the French chemist who studied it, is the reaction between amino acids and reducing sugars in the presence of heat.
What type of change is a plant growing?
growth of plant is a chemical change because it involves photosynthesis reaction , and many others reactions too.
Is seed growth chemical change?
Germination of seed is a chemical change because a seed has developed into a complete plant which is permanent and irreversible.
Is a flower a chemical change?
Blooming of a flower is a physical change. The bud opens up to bloom but no new substance is formed.
Is lighting a candle a chemical change?
The process of burning (as opposed to evaporating) is a chemical reaction, a chemical change. The wax molecules are undergoing a chemical change; they are changing into different molecules by reacting with a substance in the air. What is this substance in the air that a candle needs to burn?
Is making lemonade a chemical change?
In general it is a physical change. Because the process involves dissolution of sugar in the lemonade solution.